22242136 has 16 divisors (see below), whose sum is σ = 47661840. Its totient is φ = 9532320.

The previous prime is 22242109. The next prime is 22242161. The reversal of 22242136 is 63124222.

It is a super-2 number, since 2×22242136² = 989425227684992, which contains 22 as substring.

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, 198535 + ... + 198646.

It is an arithmetic number, because the mean of its divisors is an integer number (2978865).

Almost surely, 2^22242136 is an apocalyptic number.

It is an amenable number.

22242136 is an abundant number, since it is smaller than the sum of its proper divisors (25419704).

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

22242136 is a wasteful number, since it uses less digits than its factorization.

22242136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397194 (or 397190 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 22242136 is about 4716.1569100275. The cubic root of 22242136 is about 281.2281763478.

Adding to 22242136 its reverse (63124222), we get a palindrome (85366358).

The spelling of 22242136 in words is "twenty-two million, two hundred forty-two thousand, one hundred thirty-six".