22512134 has 16 divisors (see below), whose sum is σ = 35078208. Its totient is φ = 10827432.

The previous prime is 22512053. The next prime is 22512143. The reversal of 22512134 is 43121522.

It is a congruent number.

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, 3809 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (2192388).

Almost surely, 2^22512134 is an apocalyptic number.

22512134 is a deficient number, since it is larger than the sum of its proper divisors (12566074).

22512134 is a wasteful number, since it uses less digits than its factorization.

22512134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019.

The product of its digits is 480, while the sum is 20.

The square root of 22512134 is about 4744.6953537609. The cubic root of 22512134 is about 282.3615485717.

Adding to 22512134 its reverse (43121522), we get a palindrome (65633656).

The spelling of 22512134 in words is "twenty-two million, five hundred twelve thousand, one hundred thirty-four".