22612881 has 8 divisors (see below), whose sum is σ = 30532480. Its totient is φ = 14884272.

The previous prime is 22612879. The next prime is 22612897. The reversal of 22612881 is 18821622.

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

It is not a de Polignac number, because 22612881 - 2¹ = 22612879 is a prime.

It is a super-2 number, since 2×22612881² = 1022684774240322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22612801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47470 + ... + 47943.

It is an arithmetic number, because the mean of its divisors is an integer number (3816560).

Almost surely, 2^22612881 is an apocalyptic number.

It is an amenable number.

22612881 is a deficient number, since it is larger than the sum of its proper divisors (7919599).

22612881 is an equidigital number, since it uses as much as digits as its factorization.

22612881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95495.

The product of its digits is 3072, while the sum is 30.

The square root of 22612881 is about 4755.3003059744. The cubic root of 22612881 is about 282.7821328423.

The spelling of 22612881 in words is "twenty-two million, six hundred twelve thousand, eight hundred eighty-one".