22039885 has 8 divisors (see below), whose sum is σ = 30226176. Its totient is φ = 15113040.

The previous prime is 22039879. The next prime is 22039907. The reversal of 22039885 is 58893022.

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

It is not a de Polignac number, because 22039885 - 2³ = 22039877 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 314821 + ... + 314890.

It is an arithmetic number, because the mean of its divisors is an integer number (3778272).

Almost surely, 2^22039885 is an apocalyptic number.

It is an amenable number.

22039885 is a deficient number, since it is larger than the sum of its proper divisors (8186291).

22039885 is an equidigital number, since it uses as much as digits as its factorization.

22039885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629723.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 22039885 is about 4694.6655897944. The cubic root of 22039885 is about 280.3731631692.

The spelling of 22039885 in words is "twenty-two million, thirty-nine thousand, eight hundred eighty-five".