22115924 has 12 divisors (see below), whose sum is σ = 40740000. Its totient is φ = 10475928.

The previous prime is 22115911. The next prime is 22115941. The reversal of 22115924 is 42951122.

It is a super-2 number, since 2×22115924² = 978228188747552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22115893 and 22115902.

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, 145424 + ... + 145575.

It is an arithmetic number, because the mean of its divisors is an integer number (3395000).

Almost surely, 2^22115924 is an apocalyptic number.

It is an amenable number.

22115924 is a deficient number, since it is larger than the sum of its proper divisors (18624076).

22115924 is a wasteful number, since it uses less digits than its factorization.

22115924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291022 (or 291020 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 22115924 is about 4702.7570636808. The cubic root of 22115924 is about 280.6952281316.

The spelling of 22115924 in words is "twenty-two million, one hundred fifteen thousand, nine hundred twenty-four".