22562236 has 6 divisors (see below), whose sum is σ = 39483920. Its totient is φ = 11281116.

The previous prime is 22562233. The next prime is 22562263. The reversal of 22562236 is 63226522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22562231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820276 + ... + 2820283.

Almost surely, 2^22562236 is an apocalyptic number.

It is an amenable number.

22562236 is a deficient number, since it is larger than the sum of its proper divisors (16921684).

22562236 is a wasteful number, since it uses less digits than its factorization.

22562236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640563 (or 5640561 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 22562236 is about 4749.9722104450. The cubic root of 22562236 is about 282.5708637848.

Adding to 22562236 its reverse (63226522), we get a palindrome (85788758).

The spelling of 22562236 in words is "twenty-two million, five hundred sixty-two thousand, two hundred thirty-six".