22139998524 has 72 divisors (see below), whose sum is σ = 65520026208. Its totient is φ = 6171425280.

The previous prime is 22139998511. The next prime is 22139998537. The reversal of 22139998524 is 42589993122.

22139998524 is a `hidden beast` number, since 2 + 21 + 3 + 9 + 9 + 98 + 524 = 666.

It is an interprime number because it is at equal distance from previous prime (22139998511) and next prime (22139998537).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061097 + ... + 1081760.

It is an arithmetic number, because the mean of its divisors is an integer number (910000364).

Almost surely, 2^22139998524 is an apocalyptic number.

It is an amenable number.

22139998524 is an abundant number, since it is smaller than the sum of its proper divisors (43380027684).

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

22139998524 is a wasteful number, since it uses less digits than its factorization.

22139998524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142915 (or 2142910 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 22139998524 in words is "twenty-two billion, one hundred thirty-nine million, nine hundred ninety-eight thousand, five hundred twenty-four".