22039385 has 8 divisors (see below), whose sum is σ = 26559360. Its totient is φ = 17556784.

The previous prime is 22039351. The next prime is 22039397. The reversal of 22039385 is 58393022.

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 22039385 - 2¹⁶ = 21973849 is a prime.

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, 8027 + ... + 10416.

It is an arithmetic number, because the mean of its divisors is an integer number (3319920).

Almost surely, 2^22039385 is an apocalyptic number.

It is an amenable number.

22039385 is a deficient number, since it is larger than the sum of its proper divisors (4519975).

22039385 is a wasteful number, since it uses less digits than its factorization.

22039385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18687.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 22039385 is about 4694.6123375631. The cubic root of 22039385 is about 280.3710429579.

The spelling of 22039385 in words is "twenty-two million, thirty-nine thousand, three hundred eighty-five".