22185955 has 12 divisors (see below), whose sum is σ = 29264256. Its totient is φ = 16134800.

The previous prime is 22185931. The next prime is 22185971. The reversal of 22185955 is 55958122.

It is not a de Polignac number, because 22185955 - 2⁵ = 22185923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17731 + ... + 18940.

It is an arithmetic number, because the mean of its divisors is an integer number (2438688).

Almost surely, 2^22185955 is an apocalyptic number.

22185955 is a deficient number, since it is larger than the sum of its proper divisors (7078301).

22185955 is a wasteful number, since it uses less digits than its factorization.

22185955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36698 (or 36687 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The square root of 22185955 is about 4710.1969173273. The cubic root of 22185955 is about 280.9911936890.

The spelling of 22185955 in words is "twenty-two million, one hundred eighty-five thousand, nine hundred fifty-five".