22905169 has 16 divisors (see below), whose sum is σ = 26967168. Its totient is φ = 19049472.

The previous prime is 22905163. The next prime is 22905199. The reversal of 22905169 is 96150922.

It is not a de Polignac number, because 22905169 - 2⁹ = 22904657 is a prime.

It is a super-2 number, since 2×22905169² = 1049293533837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22905163) 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 15 ways as a sum of consecutive naturals, for example, 39409 + ... + 39985.

It is an arithmetic number, because the mean of its divisors is an integer number (1685448).

Almost surely, 2^22905169 is an apocalyptic number.

It is an amenable number.

22905169 is a deficient number, since it is larger than the sum of its proper divisors (4061999).

22905169 is a wasteful number, since it uses less digits than its factorization.

22905169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 22905169 is about 4785.9344959997. The cubic root of 22905169 is about 283.9953092196.

The spelling of 22905169 in words is "twenty-two million, nine hundred five thousand, one hundred sixty-nine".