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2223224223220 = 22571113111050161
BaseRepresentation
bin100000010110100010011…
…111010111010111110100
321212112112022121022111001
4200112202133113113310
5242411130400120340
64421200214453044
7316423366044460
oct40264237272764
97775468538431
102223224223220
117879561296a0
122baa61364184
1313185922b460
14798671494a0
153cc702a329a
hex205a27d75f4

2223224223220 has 96 divisors (see below), whose sum is σ = 6268559544576. Its totient is φ = 639648921600.

The previous prime is 2223224223217. The next prime is 2223224223247. The reversal of 2223224223220 is 223224223222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55505061 + ... + 55545100.

It is an arithmetic number, because the mean of its divisors is an integer number (65297495256).

Almost surely, 22223224223220 is an apocalyptic number.

2223224223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223224223220 is an abundant number, since it is smaller than the sum of its proper divisors (4045335321356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223224223220 is a wasteful number, since it uses less digits than its factorization.

2223224223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111050201 (or 111050199 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 2223224223220 its reverse (223224223222), we get a palindrome (2446448446442).

The spelling of 2223224223220 in words is "two trillion, two hundred twenty-three billion, two hundred twenty-four million, two hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 13 14 20 22 26 28 35 44 52 55 65 70 77 91 110 130 140 143 154 182 220 260 286 308 364 385 455 572 715 770 910 1001 1430 1540 1820 2002 2860 4004 5005 10010 20020 111050161 222100322 444200644 555250805 777351127 1110501610 1221551771 1443652093 1554702254 2221003220 2443103542 2887304186 3109404508 3886755635 4886207084 5774608372 6107758855 7218260465 7773511270 8550862397 10105564651 12215517710 14436520930 15547022540 15880173023 17101724794 20211129302 24431035420 28873041860 31760346046 34203449588 40422258604 42754311985 50527823255 63520692092 79400865115 85508623970 101055646510 111161211161 158801730230 171017247940 202111293020 222322422322 317603460460 444644844644 555806055805 1111612111610 2223224223220