22312132 has 12 divisors (see below), whose sum is σ = 39155200. Its totient is φ = 11124936.

The previous prime is 22312127. The next prime is 22312163. The reversal of 22312132 is 23121322.

It is a super-3 number, since 3×22312132³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6132 + ... + 9067.

Almost surely, 2^22312132 is an apocalyptic number.

It is an amenable number.

22312132 is a deficient number, since it is larger than the sum of its proper divisors (16843068).

22312132 is a wasteful number, since it uses less digits than its factorization.

22312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15570 (or 15568 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 22312132 is about 4723.5719535115. The cubic root of 22312132 is about 281.5228757725.

Adding to 22312132 its reverse (23121322), we get a palindrome (45433454).

It can be divided in two parts, 2 and 2312132, that multiplied together give a palindrome (4624264).

The spelling of 22312132 in words is "twenty-two million, three hundred twelve thousand, one hundred thirty-two".