22747372 has 6 divisors (see below), whose sum is σ = 39807908. Its totient is φ = 11373684.

The previous prime is 22747367. The next prime is 22747379. The reversal of 22747372 is 27374722.

It is not an unprimeable number, because it can be changed into a prime (22747379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843418 + ... + 2843425.

Almost surely, 2^22747372 is an apocalyptic number.

It is an amenable number.

22747372 is a deficient number, since it is larger than the sum of its proper divisors (17060536).

22747372 is a wasteful number, since it uses less digits than its factorization.

22747372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686847 (or 5686845 counting only the distinct ones).

The product of its digits is 32928, while the sum is 34.

The square root of 22747372 is about 4769.4205098733. The cubic root of 22747372 is about 283.3416443544.

The spelling of 22747372 in words is "twenty-two million, seven hundred forty-seven thousand, three hundred seventy-two".