22379538 has 16 divisors (see below), whose sum is σ = 44805600. Its totient is φ = 7452096.

The previous prime is 22379509. The next prime is 22379543. The reversal of 22379538 is 83597322.

It is a junction number, because it is equal to n+sod(n) for n = 22379496 and 22379505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9613 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (2800350).

Almost surely, 2^22379538 is an apocalyptic number.

22379538 is an abundant number, since it is smaller than the sum of its proper divisors (22426062).

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

22379538 is a wasteful number, since it uses less digits than its factorization.

22379538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881.

The product of its digits is 90720, while the sum is 39.

The square root of 22379538 is about 4730.7016392920. The cubic root of 22379538 is about 281.8060887126.

The spelling of 22379538 in words is "twenty-two million, three hundred seventy-nine thousand, five hundred thirty-eight".