22012134 has 16 divisors (see below), whose sum is σ = 44269680. Its totient is φ = 7296480.

The previous prime is 22012129. The next prime is 22012141. The reversal of 22012134 is 43121022.

It is a Curzon number.

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, 9049 + ... + 11220.

It is an arithmetic number, because the mean of its divisors is an integer number (2766855).

Almost surely, 2^22012134 is an apocalyptic number.

22012134 is an abundant number, since it is smaller than the sum of its proper divisors (22257546).

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

22012134 is a wasteful number, since it uses less digits than its factorization.

22012134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20455.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22012134 is about 4691.7090702643. The cubic root of 22012134 is about 280.2554386660.

Adding to 22012134 its reverse (43121022), we get a palindrome (65133156).

The spelling of 22012134 in words is "twenty-two million, twelve thousand, one hundred thirty-four".