22013132 has 12 divisors (see below), whose sum is σ = 38726016. Its totient is φ = 10948560.

The previous prime is 22013081. The next prime is 22013137. The reversal of 22013132 is 23131022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22013137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13643 + ... + 15170.

It is an arithmetic number, because the mean of its divisors is an integer number (3227168).

Almost surely, 2^22013132 is an apocalyptic number.

It is an amenable number.

22013132 is a deficient number, since it is larger than the sum of its proper divisors (16712884).

22013132 is a wasteful number, since it uses less digits than its factorization.

22013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29008 (or 29006 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22013132 is about 4691.8154268897. The cubic root of 22013132 is about 280.2596740679.

Adding to 22013132 its reverse (23131022), we get a palindrome (45144154).

The spelling of 22013132 in words is "twenty-two million, thirteen thousand, one hundred thirty-two".