2205553872 has 40 divisors (see below), whose sum is σ = 5805190944. Its totient is φ = 721312384.

The previous prime is 2205553853. The next prime is 2205553879. The reversal of 2205553872 is 2783555022.

It is a self number, because there is not a number n which added to its sum of digits gives 2205553872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205553879) 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 7 ways as a sum of consecutive naturals, for example, 430938 + ... + 436025.

Almost surely, 2^2205553872 is an apocalyptic number.

It is an amenable number.

2205553872 is an abundant number, since it is smaller than the sum of its proper divisors (3599637072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205553872 is a wasteful number, since it uses less digits than its factorization.

2205553872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867027 (or 867021 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 2205553872 is about 46963.3247545359. The cubic root of 2205553872 is about 1301.6849693573.

The spelling of 2205553872 in words is "two billion, two hundred five million, five hundred fifty-three thousand, eight hundred seventy-two".