22639364 has 12 divisors (see below), whose sum is σ = 43220688. Its totient is φ = 10290600.

The previous prime is 22639361. The next prime is 22639399. The reversal of 22639364 is 46393622.

It is not an unprimeable number, because it can be changed into a prime (22639361) 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, 257222 + ... + 257309.

It is an arithmetic number, because the mean of its divisors is an integer number (3601724).

Almost surely, 2^22639364 is an apocalyptic number.

It is an amenable number.

22639364 is a deficient number, since it is larger than the sum of its proper divisors (20581324).

22639364 is a wasteful number, since it uses less digits than its factorization.

22639364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514546 (or 514544 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 22639364 is about 4758.0840681938. The cubic root of 22639364 is about 282.8924828914.

The spelling of 22639364 in words is "twenty-two million, six hundred thirty-nine thousand, three hundred sixty-four".