22104985 has 16 divisors (see below), whose sum is σ = 30560256. Its totient is φ = 15035328.

The previous prime is 22104977. The next prime is 22104991. The reversal of 22104985 is 58940122.

It is not a de Polignac number, because 22104985 - 2³ = 22104977 is a prime.

It is a Duffinian 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, 1959 + ... + 6931.

It is an arithmetic number, because the mean of its divisors is an integer number (1910016).

Almost surely, 2^22104985 is an apocalyptic number.

It is an amenable number.

22104985 is a deficient number, since it is larger than the sum of its proper divisors (8455271).

22104985 is a wasteful number, since it uses less digits than its factorization.

22104985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 22104985 is about 4701.5938786756. The cubic root of 22104985 is about 280.6489412497.

The spelling of 22104985 in words is "twenty-two million, one hundred four thousand, nine hundred eighty-five".