22085015 has 16 divisors (see below), whose sum is σ = 27350400. Its totient is φ = 17109792.

The previous prime is 22084969. The next prime is 22085017. The reversal of 22085015 is 51058022.

It is a cyclic number.

It is not a de Polignac number, because 22085015 - 2⁸ = 22084759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22085017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29516 + ... + 30254.

It is an arithmetic number, because the mean of its divisors is an integer number (1709400).

Almost surely, 2^22085015 is an apocalyptic number.

22085015 is a deficient number, since it is larger than the sum of its proper divisors (5265385).

22085015 is a wasteful number, since it uses less digits than its factorization.

22085015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 22085015 is about 4699.4696509287. The cubic root of 22085015 is about 280.5644015263.

The spelling of 22085015 in words is "twenty-two million, eighty-five thousand, fifteen".