22732131 has 8 divisors (see below), whose sum is σ = 30361104. Its totient is φ = 15128960.

The previous prime is 22732121. The next prime is 22732133. The reversal of 22732131 is 13123722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22732131 - 2¹⁸ = 22469987 is a prime.

It is a super-2 number, since 2×22732131² = 1033499559602322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22732098 and 22732107.

It is not an unprimeable number, because it can be changed into a prime (22732133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4290 + ... + 7991.

It is an arithmetic number, because the mean of its divisors is an integer number (3795138).

Almost surely, 2^22732131 is an apocalyptic number.

22732131 is a deficient number, since it is larger than the sum of its proper divisors (7628973).

22732131 is a wasteful number, since it uses less digits than its factorization.

22732131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12901.

The product of its digits is 504, while the sum is 21.

The square root of 22732131 is about 4767.8224589429. The cubic root of 22732131 is about 283.2783494997.

Adding to 22732131 its reverse (13123722), we get a palindrome (35855853).

The spelling of 22732131 in words is "twenty-two million, seven hundred thirty-two thousand, one hundred thirty-one".