22542005124 has 36 divisors (see below), whose sum is σ = 57051687420. Its totient is φ = 7504704000.

The previous prime is 22542005113. The next prime is 22542005147. The reversal of 22542005124 is 42150024522.

22542005124 is a `hidden beast` number, since 225 + 420 + 0 + 5 + 12 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8918913600 + 13623091524 = 94440^2 + 116718^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357877 + ... + 416124.

It is an arithmetic number, because the mean of its divisors is an integer number (1584769095).

Almost surely, 2^22542005124 is an apocalyptic number.

It is an amenable number.

22542005124 is an abundant number, since it is smaller than the sum of its proper divisors (34509682296).

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

22542005124 is a wasteful number, since it uses less digits than its factorization.

22542005124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774820 (or 774815 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 22542005124 its reverse (42150024522), we get a palindrome (64692029646).

The spelling of 22542005124 in words is "twenty-two billion, five hundred forty-two million, five thousand, one hundred twenty-four".