22336724 has 6 divisors (see below), whose sum is σ = 39089274. Its totient is φ = 11168360.

The previous prime is 22336693. The next prime is 22336729. The reversal of 22336724 is 42763322.

It can be written as a sum of positive squares in only one way, i.e., 18215824 + 4120900 = 4268^2 + 2030^2 .

It is a super-3 number, since 3×22336724³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22336729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2792087 + ... + 2792094.

It is an arithmetic number, because the mean of its divisors is an integer number (6514879).

Almost surely, 2^22336724 is an apocalyptic number.

It is an amenable number.

22336724 is a deficient number, since it is larger than the sum of its proper divisors (16752550).

22336724 is a wasteful number, since it uses less digits than its factorization.

22336724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584185 (or 5584183 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 22336724 is about 4726.1743514179. The cubic root of 22336724 is about 281.6262674845.

The spelling of 22336724 in words is "twenty-two million, three hundred thirty-six thousand, seven hundred twenty-four".