22789639 has 8 divisors (see below), whose sum is σ = 24174288. Its totient is φ = 21409920.

The previous prime is 22789603. The next prime is 22789643. The reversal of 22789639 is 93698722.

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

It is a cyclic number.

It is not a de Polignac number, because 22789639 - 2⁷ = 22789511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22789139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13249 + ... + 14869.

It is an arithmetic number, because the mean of its divisors is an integer number (3021786).

Almost surely, 2^22789639 is an apocalyptic number.

22789639 is a deficient number, since it is larger than the sum of its proper divisors (1384649).

22789639 is a wasteful number, since it uses less digits than its factorization.

22789639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 326592, while the sum is 46.

The square root of 22789639 is about 4773.8494949045. The cubic root of 22789639 is about 283.5170285904.

The spelling of 22789639 in words is "twenty-two million, seven hundred eighty-nine thousand, six hundred thirty-nine".