22239024 has 20 divisors (see below), whose sum is σ = 57450936. Its totient is φ = 7412992.

The previous prime is 22239013. The next prime is 22239067. The reversal of 22239024 is 42093222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22238985 and 22239003.

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, 231609 + ... + 231704.

Almost surely, 2^22239024 is an apocalyptic number.

22239024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22239024 is an abundant number, since it is smaller than the sum of its proper divisors (35211912).

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

22239024 is a wasteful number, since it uses less digits than its factorization.

22239024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463324 (or 463318 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22239024 is about 4715.8269688359. The cubic root of 22239024 is about 281.2150597583.

The spelling of 22239024 in words is "twenty-two million, two hundred thirty-nine thousand, twenty-four".