22164929 has 4 divisors (see below), whose sum is σ = 22339584. Its totient is φ = 21990276.

The previous prime is 22164913. The next prime is 22164931. The reversal of 22164929 is 92946122.

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 22164929 - 2⁴ = 22164913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22164949) 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 3 ways as a sum of consecutive naturals, for example, 87137 + ... + 87390.

It is an arithmetic number, because the mean of its divisors is an integer number (5584896).

Almost surely, 2^22164929 is an apocalyptic number.

It is an amenable number.

22164929 is a deficient number, since it is larger than the sum of its proper divisors (174655).

22164929 is a wasteful number, since it uses less digits than its factorization.

22164929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174654.

The product of its digits is 15552, while the sum is 35.

The square root of 22164929 is about 4707.9644221256. The cubic root of 22164929 is about 280.9023989503.

The spelling of 22164929 in words is "twenty-two million, one hundred sixty-four thousand, nine hundred twenty-nine".