22470232 has 8 divisors (see below), whose sum is σ = 42131700. Its totient is φ = 11235112.

The previous prime is 22470223. The next prime is 22470247. The reversal of 22470232 is 23207422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22470232² = 1009822652267648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404382 + ... + 1404397.

Almost surely, 2^22470232 is an apocalyptic number.

It is an amenable number.

22470232 is a deficient number, since it is larger than the sum of its proper divisors (19661468).

22470232 is a wasteful number, since it uses less digits than its factorization.

22470232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808785 (or 2808781 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22470232 is about 4740.2776290002. The cubic root of 22470232 is about 282.1862525602.

Adding to 22470232 its reverse (23207422), we get a palindrome (45677654).

The spelling of 22470232 in words is "twenty-two million, four hundred seventy thousand, two hundred thirty-two".