22013932 has 12 divisors (see below), whose sum is σ = 40552120. Its totient is φ = 10427616.

The previous prime is 22013923. The next prime is 22013933. The reversal of 22013932 is 23931022.

It is a super-2 number, since 2×22013932² = 969226404201248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22013933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144753 + ... + 144904.

Almost surely, 2^22013932 is an apocalyptic number.

It is an amenable number.

22013932 is a deficient number, since it is larger than the sum of its proper divisors (18538188).

22013932 is a wasteful number, since it uses less digits than its factorization.

22013932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289680 (or 289678 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 22013932 is about 4691.9006809608. The cubic root of 22013932 is about 280.2630690872.

Adding to 22013932 its reverse (23931022), we get a palindrome (45944954).

The spelling of 22013932 in words is "twenty-two million, thirteen thousand, nine hundred thirty-two".