22440085 has 16 divisors (see below), whose sum is σ = 28662336. Its totient is φ = 16807168.

The previous prime is 22440059. The next prime is 22440133. The reversal of 22440085 is 58004422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22440085 - 2¹⁷ = 22309013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18714 + ... + 19876.

It is an arithmetic number, because the mean of its divisors is an integer number (1791396).

Almost surely, 2^22440085 is an apocalyptic number.

It is an amenable number.

22440085 is a deficient number, since it is larger than the sum of its proper divisors (6222251).

22440085 is a wasteful number, since it uses less digits than its factorization.

22440085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 22440085 is about 4737.0966846793. The cubic root of 22440085 is about 282.0599984673.

The spelling of 22440085 in words is "twenty-two million, four hundred forty thousand, eighty-five".