22164634 has 8 divisors (see below), whose sum is σ = 35202708. Its totient is φ = 10430400.

The previous prime is 22164629. The next prime is 22164643. The reversal of 22164634 is 43646122.

It can be written as a sum of positive squares in 2 ways, for example, as 21594609 + 570025 = 4647^2 + 755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 325917 + ... + 325984.

Almost surely, 2^22164634 is an apocalyptic number.

22164634 is a deficient number, since it is larger than the sum of its proper divisors (13038074).

22164634 is a wasteful number, since it uses less digits than its factorization.

22164634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651920.

The product of its digits is 6912, while the sum is 28.

The square root of 22164634 is about 4707.9330921329. The cubic root of 22164634 is about 280.9011527387.

The spelling of 22164634 in words is "twenty-two million, one hundred sixty-four thousand, six hundred thirty-four".