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2221220000222 = 21448877665353
BaseRepresentation
bin100000010100101011000…
…001110111000111011110
321212100100122022020101122
4200110223001313013132
5242343024310001342
64420225301210542
7316322621323646
oct40245301670736
97770318266348
102221220000222
11787017868253
122ba5a2100a52
131315c9c35ba2
1479716cb1526
153cba43594d2
hex2052b0771de

2221220000222 has 8 divisors (see below), whose sum is σ = 3331853431056. Its totient is φ = 1110602189872.

The previous prime is 2221220000213. The next prime is 2221220000267. The reversal of 2221220000222 is 2220000221222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2221220000222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3542903 + ... + 4122450.

It is an arithmetic number, because the mean of its divisors is an integer number (416481678882).

Almost surely, 22221220000222 is an apocalyptic number.

2221220000222 is a deficient number, since it is larger than the sum of its proper divisors (1110633430834).

2221220000222 is a wasteful number, since it uses less digits than its factorization.

2221220000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810242.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2221220000222 its reverse (2220000221222), we get a palindrome (4441220221444).

The spelling of 2221220000222 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 144887 289774 7665353 15330706 1110610000111 2221220000222