22551404564 has 24 divisors (see below), whose sum is σ = 43221081120. Its totient is φ = 10231926624.

The previous prime is 22551404549. The next prime is 22551404569. The reversal of 22551404564 is 46540415522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22551404569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672194 + ... + 3678329.

It is an arithmetic number, because the mean of its divisors is an integer number (1800878380).

Almost surely, 2^22551404564 is an apocalyptic number.

It is an amenable number.

22551404564 is a deficient number, since it is larger than the sum of its proper divisors (20669676556).

22551404564 is a wasteful number, since it uses less digits than its factorization.

22551404564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350599 (or 7350597 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 22551404564 in words is "twenty-two billion, five hundred fifty-one million, four hundred four thousand, five hundred sixty-four".