22651751332 has 48 divisors (see below), whose sum is σ = 46300520448. Its totient is φ = 9494543520.

The previous prime is 22651751323. The next prime is 22651751383. The reversal of 22651751332 is 23315715622.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22651751291 and 22651751300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109457 + ... + 2120167.

It is an arithmetic number, because the mean of its divisors is an integer number (964594176).

Almost surely, 2^22651751332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22651751332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23150260224).

22651751332 is an abundant number, since it is smaller than the sum of its proper divisors (23648769116).

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

22651751332 is a wasteful number, since it uses less digits than its factorization.

22651751332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376 (or 12374 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The spelling of 22651751332 in words is "twenty-two billion, six hundred fifty-one million, seven hundred fifty-one thousand, three hundred thirty-two".