22646564022 has 32 divisors (see below), whose sum is σ = 45597219840. Its totient is φ = 7498332800.

The previous prime is 22646564021. The next prime is 22646564041. The reversal of 22646564022 is 22046564622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22646564021) 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, 555343 + ... + 594725.

It is an arithmetic number, because the mean of its divisors is an integer number (1424913120).

Almost surely, 2^22646564022 is an apocalyptic number.

22646564022 is an abundant number, since it is smaller than the sum of its proper divisors (22950655818).

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

22646564022 is a wasteful number, since it uses less digits than its factorization.

22646564022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40028.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 22646564022 in words is "twenty-two billion, six hundred forty-six million, five hundred sixty-four thousand, twenty-two".