22339724 has 24 divisors (see below), whose sum is σ = 43255296. Its totient is φ = 10010000.

The previous prime is 22339721. The next prime is 22339727. The reversal of 22339724 is 42793322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22339721) and next prime (22339727).

It is not an unprimeable number, because it can be changed into a prime (22339721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452 + ... + 6699.

It is an arithmetic number, because the mean of its divisors is an integer number (1802304).

Almost surely, 2^22339724 is an apocalyptic number.

It is an amenable number.

22339724 is a deficient number, since it is larger than the sum of its proper divisors (20915572).

22339724 is a wasteful number, since it uses less digits than its factorization.

22339724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237 (or 7235 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 22339724 is about 4726.4917221973. The cubic root of 22339724 is about 281.6388751373.

The spelling of 22339724 in words is "twenty-two million, three hundred thirty-nine thousand, seven hundred twenty-four".