22540442532 has 24 divisors (see below), whose sum is σ = 52740878400. Its totient is φ = 7492550496.

The previous prime is 22540442527. The next prime is 22540442537. The reversal of 22540442532 is 23524404522.

It is an interprime number because it is at equal distance from previous prime (22540442527) and next prime (22540442537).

It is a junction number, because it is equal to n+sod(n) for n = 22540442493 and 22540442502.

It is not an unprimeable number, because it can be changed into a prime (22540442537) 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, 2611807 + ... + 2620422.

It is an arithmetic number, because the mean of its divisors is an integer number (2197536600).

Almost surely, 2^22540442532 is an apocalyptic number.

It is an amenable number.

22540442532 is an abundant number, since it is smaller than the sum of its proper divisors (30200435868).

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

22540442532 is a wasteful number, since it uses less digits than its factorization.

22540442532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232595 (or 5232593 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The spelling of 22540442532 in words is "twenty-two billion, five hundred forty million, four hundred forty-two thousand, five hundred thirty-two".