22971338 has 16 divisors (see below), whose sum is σ = 37384200. Its totient is φ = 10523136.

The previous prime is 22971307. The next prime is 22971343. The reversal of 22971338 is 83317922.

It can be written as a sum of positive squares in 4 ways, for example, as 21687649 + 1283689 = 4657^2 + 1133^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22971298 and 22971307.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 338 + ... + 6786.

Almost surely, 2^22971338 is an apocalyptic number.

22971338 is a deficient number, since it is larger than the sum of its proper divisors (14412862).

22971338 is a wasteful number, since it uses less digits than its factorization.

22971338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601.

The product of its digits is 18144, while the sum is 35.

The square root of 22971338 is about 4792.8423717039. The cubic root of 22971338 is about 284.2685171188.

The spelling of 22971338 in words is "twenty-two million, nine hundred seventy-one thousand, three hundred thirty-eight".