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22290822432 = 253325799563
BaseRepresentation
bin10100110000101000…
…101111010100100000
32010112111010002212000
4110300220233110200
5331122422304212
614123521404000
71416246602334
oct246050572440
963474102760
1022290822432
1194a96518aa
1243a1199600
132143188678
1411166457c4
158a6e281dc
hex530a2f520

22290822432 has 48 divisors (see below), whose sum is σ = 65014901280. Its totient is φ = 7430273856.

The previous prime is 22290822427. The next prime is 22290822461. The reversal of 22290822432 is 23422809222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12898918 + ... + 12900645.

It is an arithmetic number, because the mean of its divisors is an integer number (1354477110).

Almost surely, 222290822432 is an apocalyptic number.

It is an amenable number.

22290822432 is an abundant number, since it is smaller than the sum of its proper divisors (42724078848).

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

22290822432 is a wasteful number, since it uses less digits than its factorization.

22290822432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25799582 (or 25799568 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 22290822432 in words is "twenty-two billion, two hundred ninety million, eight hundred twenty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 25799563 51599126 77398689 103198252 154797378 206396504 232196067 309594756 412793008 464392134 619189512 696588201 825586016 928784268 1238379024 1393176402 1857568536 2476758048 2786352804 3715137072 5572705608 7430274144 11145411216 22290822432