22775265745520 has 20 divisors (see below), whose sum is σ = 52952492858520. Its totient is φ = 9110106298176.

The previous prime is 22775265745381. The next prime is 22775265745579. The reversal of 22775265745520 is 2554756257722.

22775265745520 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 22775265745520.

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, 142345410830 + ... + 142345410989.

It is an arithmetic number, because the mean of its divisors is an integer number (2647624642926).

Almost surely, 2^{22775265745520} is an apocalyptic number.

22775265745520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22775265745520 is an abundant number, since it is smaller than the sum of its proper divisors (30177227113000).

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

22775265745520 is a wasteful number, since it uses less digits than its factorization.

22775265745520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284690821832 (or 284690821826 counting only the distinct ones).

The product of its (nonzero) digits is 82320000, while the sum is 59.

The spelling of 22775265745520 in words is "twenty-two trillion, seven hundred seventy-five billion, two hundred sixty-five million, seven hundred forty-five thousand, five hundred twenty".