2205188854 has 32 divisors (see below), whose sum is σ = 3701376000. Its totient is φ = 976622400.

The previous prime is 2205188851. The next prime is 2205188927. The reversal of 2205188854 is 4588815022.

It is a self number, because there is not a number n which added to its sum of digits gives 2205188854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205188851) 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, 1102147 + ... + 1104145.

It is an arithmetic number, because the mean of its divisors is an integer number (115668000).

Almost surely, 2^2205188854 is an apocalyptic number.

2205188854 is a deficient number, since it is larger than the sum of its proper divisors (1496187146).

2205188854 is a wasteful number, since it uses less digits than its factorization.

2205188854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276.

The product of its (nonzero) digits is 204800, while the sum is 43.

The square root of 2205188854 is about 46959.4383910200. The cubic root of 2205188854 is about 1301.6131560040.

The spelling of 2205188854 in words is "two billion, two hundred five million, one hundred eighty-eight thousand, eight hundred fifty-four".