22243238 has 16 divisors (see below), whose sum is σ = 34310304. Its totient is φ = 10808640.

The previous prime is 22243229. The next prime is 22243283. The reversal of 22243238 is 83234222.

It is a congruent number.

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, 39656 + ... + 40212.

It is an arithmetic number, because the mean of its divisors is an integer number (2144394).

Almost surely, 2^22243238 is an apocalyptic number.

22243238 is a deficient number, since it is larger than the sum of its proper divisors (12067066).

22243238 is a wasteful number, since it uses less digits than its factorization.

22243238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 4608, while the sum is 26.

The square root of 22243238 is about 4716.2737409951. The cubic root of 22243238 is about 281.2328208108.

The spelling of 22243238 in words is "twenty-two million, two hundred forty-three thousand, two hundred thirty-eight".