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2223111004220 = 225773523327479
BaseRepresentation
bin100000010110011011101…
…111011110000000111100
321212112020102120012012202
4200112123233132000330
5242410412404113340
64421141052051032
7316420522515101
oct40263357360074
97775212505182
102223111004220
117878a8229577
122baa2b463a78
1313183b939b72
14798560b6aa8
153cc6538bc15
hex2059bbde03c

2223111004220 has 48 divisors (see below), whose sum is σ = 4675636042560. Its totient is φ = 887891997696.

The previous prime is 2223111004207. The next prime is 2223111004229. The reversal of 2223111004220 is 224001113222.

2223111004220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2223111004192 and 2223111004201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223111004229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80888441 + ... + 80915919.

It is an arithmetic number, because the mean of its divisors is an integer number (97409084220).

Almost surely, 22223111004220 is an apocalyptic number.

2223111004220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223111004220 is an abundant number, since it is smaller than the sum of its proper divisors (2452525038340).

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

2223111004220 is a wasteful number, since it uses less digits than its factorization.

2223111004220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33494 (or 33492 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2223111004220 its reverse (224001113222), we get a palindrome (2447112117442).

The spelling of 2223111004220 in words is "two trillion, two hundred twenty-three billion, one hundred eleven million, four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 773 1546 3092 3865 5233 7730 10466 15460 20932 26165 27479 52330 54958 104660 109916 137395 274790 549580 4045109 8090218 16180436 20225545 21241267 40451090 42482534 80902180 84965068 106206335 143797607 212412670 287595214 424825340 575190428 718988035 1437976070 2875952140 111155550211 222311100422 444622200844 555777751055 1111555502110 2223111004220