22690969 has 12 divisors (see below), whose sum is σ = 26474448. Its totient is φ = 19391400.

The previous prime is 22690939. The next prime is 22690979. The reversal of 22690969 is 96909622.

It is a de Polignac number, because none of the positive numbers 2^k-22690969 is a prime.

It is a super-2 number, since 2×22690969² = 1029760148317922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22690909) 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 11 ways as a sum of consecutive naturals, for example, 27574 + ... + 28384.

It is an arithmetic number, because the mean of its divisors is an integer number (2206204).

Almost surely, 2^22690969 is an apocalyptic number.

It is an amenable number.

22690969 is a deficient number, since it is larger than the sum of its proper divisors (3783479).

22690969 is an equidigital number, since it uses as much as digits as its factorization.

22690969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 22690969 is about 4763.5038574562. The cubic root of 22690969 is about 283.1072649609.

The spelling of 22690969 in words is "twenty-two million, six hundred ninety thousand, nine hundred sixty-nine".