22472524 has 6 divisors (see below), whose sum is σ = 39326924. Its totient is φ = 11236260.

The previous prime is 22472519. The next prime is 22472543. The reversal of 22472524 is 42527422.

It is a junction number, because it is equal to n+sod(n) for n = 22472492 and 22472501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809062 + ... + 2809069.

Almost surely, 2^22472524 is an apocalyptic number.

It is an amenable number.

22472524 is a deficient number, since it is larger than the sum of its proper divisors (16854400).

22472524 is a wasteful number, since it uses less digits than its factorization.

22472524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618135 (or 5618133 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 22472524 is about 4740.5193808274. The cubic root of 22472524 is about 282.1958467187.

Adding to 22472524 its reverse (42527422), we get a palindrome (64999946).

The spelling of 22472524 in words is "twenty-two million, four hundred seventy-two thousand, five hundred twenty-four".