2204544672 has 72 divisors (see below), whose sum is σ = 6839108640. Its totient is φ = 668042880.

The previous prime is 2204544659. The next prime is 2204544701. The reversal of 2204544672 is 2764454022.

2204544672 is a `hidden beast` number, since 2 + 204 + 5 + 446 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344772 + ... + 351107.

It is an arithmetic number, because the mean of its divisors is an integer number (94987620).

Almost surely, 2^2204544672 is an apocalyptic number.

2204544672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2204544672 is an abundant number, since it is smaller than the sum of its proper divisors (4634563968).

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

2204544672 is a wasteful number, since it uses less digits than its factorization.

2204544672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695906 (or 695895 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 2204544672 is about 46952.5789707019. The cubic root of 2204544672 is about 1301.4864008097.

Adding to 2204544672 its reverse (2764454022), we get a palindrome (4968998694).

The spelling of 2204544672 in words is "two billion, two hundred four million, five hundred forty-four thousand, six hundred seventy-two".