22164769 has 4 divisors (see below), whose sum is σ = 24179760. Its totient is φ = 20149780.

The previous prime is 22164761. The next prime is 22164781. The reversal of 22164769 is 96746122.

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 22164769 - 2³ = 22164761 is a prime.

It is a super-2 number, since 2×22164769² = 982553969646722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22164761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007479 + ... + 1007500.

It is an arithmetic number, because the mean of its divisors is an integer number (6044940).

Almost surely, 2^22164769 is an apocalyptic number.

It is an amenable number.

22164769 is a deficient number, since it is larger than the sum of its proper divisors (2014991).

22164769 is a wasteful number, since it uses less digits than its factorization.

22164769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014990.

The product of its digits is 36288, while the sum is 37.

The square root of 22164769 is about 4707.9474296130. The cubic root of 22164769 is about 280.9017230403.

The spelling of 22164769 in words is "twenty-two million, one hundred sixty-four thousand, seven hundred sixty-nine".