22888631 has 4 divisors (see below), whose sum is σ = 22935000. Its totient is φ = 22842264.

The previous prime is 22888601. The next prime is 22888643. The reversal of 22888631 is 13688822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22888631 - 2¹⁰ = 22887607 is a prime.

It is a super-3 number, since 3×22888631³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22888601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22436 + ... + 23433.

It is an arithmetic number, because the mean of its divisors is an integer number (5733750).

Almost surely, 2^22888631 is an apocalyptic number.

22888631 is a deficient number, since it is larger than the sum of its proper divisors (46369).

22888631 is an equidigital number, since it uses as much as digits as its factorization.

22888631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46368.

The product of its digits is 36864, while the sum is 38.

The square root of 22888631 is about 4784.2064127711. The cubic root of 22888631 is about 283.9269426244.

The spelling of 22888631 in words is "twenty-two million, eight hundred eighty-eight thousand, six hundred thirty-one".