2204574021 has 24 divisors (see below), whose sum is σ = 3539966976. Its totient is φ = 1312895520.

The previous prime is 2204573929. The next prime is 2204574023. The reversal of 2204574021 is 1204754022.

2204574021 is a `hidden beast` number, since 2 + 204 + 57 + 402 + 1 = 666.

It is not a de Polignac number, because 2204574021 - 2⁷ = 2204573893 is a prime.

It is a super-2 number, since 2×2204574021² = 9720293228136216882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204574023) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 300285 + ... + 307538.

It is an arithmetic number, because the mean of its divisors is an integer number (147498624).

Almost surely, 2^2204574021 is an apocalyptic number.

It is an amenable number.

2204574021 is a deficient number, since it is larger than the sum of its proper divisors (1335392955).

2204574021 is a wasteful number, since it uses less digits than its factorization.

2204574021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607873 (or 607870 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2204574021 is about 46952.8915084045. The cubic root of 2204574021 is about 1301.4921763266.

The spelling of 2204574021 in words is "two billion, two hundred four million, five hundred seventy-four thousand, twenty-one".