22715521744 has 20 divisors (see below), whose sum is σ = 46327709440. Its totient is φ = 10759983840.

The previous prime is 22715521739. The next prime is 22715521753. The reversal of 22715521744 is 44712551722.

It is a junction number, because it is equal to n+sod(n) for n = 22715521697 and 22715521706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37360752 + ... + 37361359.

It is an arithmetic number, because the mean of its divisors is an integer number (2316385472).

Almost surely, 2^22715521744 is an apocalyptic number.

It is an amenable number.

22715521744 is an abundant number, since it is smaller than the sum of its proper divisors (23612187696).

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

22715521744 is a wasteful number, since it uses less digits than its factorization.

22715521744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74722138 (or 74722132 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The spelling of 22715521744 in words is "twenty-two billion, seven hundred fifteen million, five hundred twenty-one thousand, seven hundred forty-four".