22696881 has 4 divisors (see below), whose sum is σ = 30262512. Its totient is φ = 15131252.

The previous prime is 22696871. The next prime is 22696889. The reversal of 22696881 is 18869622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22696881 - 2⁷ = 22696753 is a prime.

It is a super-2 number, since 2×22696881² = 1030296814256322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22696889) 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, 3782811 + ... + 3782816.

It is an arithmetic number, because the mean of its divisors is an integer number (7565628).

Almost surely, 2^22696881 is an apocalyptic number.

It is an amenable number.

22696881 is a deficient number, since it is larger than the sum of its proper divisors (7565631).

22696881 is an equidigital number, since it uses as much as digits as its factorization.

22696881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7565630.

The product of its digits is 82944, while the sum is 42.

The square root of 22696881 is about 4764.1243686537. The cubic root of 22696881 is about 283.1318501430.

The spelling of 22696881 in words is "twenty-two million, six hundred ninety-six thousand, eight hundred eighty-one".