22639085 has 8 divisors (see below), whose sum is σ = 31047936. Its totient is φ = 15523920.

The previous prime is 22639081. The next prime is 22639103. The reversal of 22639085 is 58093622.

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

It is not a de Polignac number, because 22639085 - 2² = 22639081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 646831 = 22639085 / (2 + 2 + 6 + 3 + 9 + 0 + 8 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22639081) 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, 323381 + ... + 323450.

It is an arithmetic number, because the mean of its divisors is an integer number (3880992).

Almost surely, 2^22639085 is an apocalyptic number.

It is an amenable number.

22639085 is a deficient number, since it is larger than the sum of its proper divisors (8408851).

22639085 is an equidigital number, since it uses as much as digits as its factorization.

22639085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646843.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 22639085 is about 4758.0547495799. The cubic root of 22639085 is about 282.8913207956.

The spelling of 22639085 in words is "twenty-two million, six hundred thirty-nine thousand, eighty-five".