22739938 has 16 divisors (see below), whose sum is σ = 37240056. Its totient is φ = 10350720.

The previous prime is 22739923. The next prime is 22739947. The reversal of 22739938 is 83993722.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21316689 + 1423249 = 4617^2 + 1193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22739894 and 22739903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 7888.

Almost surely, 2^22739938 is an apocalyptic number.

22739938 is a deficient number, since it is larger than the sum of its proper divisors (14500118).

22739938 is a wasteful number, since it uses less digits than its factorization.

22739938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12069.

The product of its digits is 163296, while the sum is 43.

The square root of 22739938 is about 4768.6411062272. The cubic root of 22739938 is about 283.3107749822.

The spelling of 22739938 in words is "twenty-two million, seven hundred thirty-nine thousand, nine hundred thirty-eight".