22513152 has 40 divisors (see below), whose sum is σ = 59980536. Its totient is φ = 7503872.

The previous prime is 22513147. The next prime is 22513171. The reversal of 22513152 is 25131522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5793 + ... + 8864.

Almost surely, 2^22513152 is an apocalyptic number.

It is an amenable number.

22513152 is an abundant number, since it is smaller than the sum of its proper divisors (37467384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22513152 is an equidigital number, since it uses as much as digits as its factorization.

22513152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14678 (or 14662 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 22513152 is about 4744.8026302471. The cubic root of 22513152 is about 282.3658046427.

Adding to 22513152 its reverse (25131522), we get a palindrome (47644674).

The spelling of 22513152 in words is "twenty-two million, five hundred thirteen thousand, one hundred fifty-two".