22605513644532 has 192 divisors, whose sum is σ = 68340825907200. Its totient is φ = 5647641200640.

The previous prime is 22605513644509. The next prime is 22605513644561. The reversal of 22605513644532 is 23544631550622.

It is a super-2 number, since 2×22605513644532² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 297094069 + ... + 297170147.

It is an arithmetic number, because the mean of its divisors is an integer number (355941801600).

Almost surely, 2^{22605513644532} 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 22605513644532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34170412953600).

22605513644532 is an abundant number, since it is smaller than the sum of its proper divisors (45735312262668).

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

22605513644532 is a wasteful number, since it uses less digits than its factorization.

22605513644532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90446 (or 90444 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 22605513644532 in words is "twenty-two trillion, six hundred five billion, five hundred thirteen million, six hundred forty-four thousand, five hundred thirty-two".