22446464021632 has 64 divisors (see below), whose sum is σ = 51280211707200. Its totient is φ = 9587080571904.

The previous prime is 22446464021629. The next prime is 22446464021651. The reversal of 22446464021632 is 23612046464422.

It is a tau number, because it is divible by the number of its divisors (64).

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, 42488082 + ... + 43013137.

It is an arithmetic number, because the mean of its divisors is an integer number (801253307925).

Almost surely, 2^{22446464021632} is an apocalyptic number.

It is an amenable number.

22446464021632 is an abundant number, since it is smaller than the sum of its proper divisors (28833747685568).

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

22446464021632 is an equidigital number, since it uses as much as digits as its factorization.

22446464021632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85501533 (or 85501521 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 22446464021632 in words is "twenty-two trillion, four hundred forty-six billion, four hundred sixty-four million, twenty-one thousand, six hundred thirty-two".