22185057 has 16 divisors (see below), whose sum is σ = 30758400. Its totient is φ = 14208000.

The previous prime is 22185049. The next prime is 22185077. The reversal of 22185057 is 75058122.

It is not a de Polignac number, because 22185057 - 2³ = 22185049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22185077) 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, 13057 + ... + 14657.

It is an arithmetic number, because the mean of its divisors is an integer number (1922400).

Almost surely, 2^22185057 is an apocalyptic number.

It is an amenable number.

22185057 is a deficient number, since it is larger than the sum of its proper divisors (8573343).

22185057 is a wasteful number, since it uses less digits than its factorization.

22185057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 22185057 is about 4710.1015912611. The cubic root of 22185057 is about 280.9874024992.

The spelling of 22185057 in words is "twenty-two million, one hundred eighty-five thousand, fifty-seven".