22515052 has 24 divisors (see below), whose sum is σ = 46484480. Its totient is φ = 9337680.

The previous prime is 22515043. The next prime is 22515121. The reversal of 22515052 is 25051522.

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, 12102 + ... + 13837.

Almost surely, 2^22515052 is an apocalyptic number.

It is an amenable number.

22515052 is an abundant number, since it is smaller than the sum of its proper divisors (23969428).

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

22515052 is a wasteful number, since it uses less digits than its factorization.

22515052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25981 (or 25979 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 22515052 is about 4745.0028450993. The cubic root of 22515052 is about 282.3737478506.

Adding to 22515052 its reverse (25051522), we get a palindrome (47566574).

The spelling of 22515052 in words is "twenty-two million, five hundred fifteen thousand, fifty-two".