2205276872 has 12 divisors (see below), whose sum is σ = 4135143195. Its totient is φ = 1102572024.

The previous prime is 2205276859. The next prime is 2205276893. The reversal of 2205276872 is 2786725022.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1102638436 + 1102638436 = 33206^2 + 33206^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33206.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 124523 + ... + 141125.

Almost surely, 2^2205276872 is an apocalyptic number.

It is an amenable number.

2205276872 is a deficient number, since it is larger than the sum of its proper divisors (1929866323).

2205276872 is an frugal number, since it uses more digits than its factorization.

2205276872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33212 (or 16605 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 2205276872 is about 46960.3755521610. The cubic root of 2205276872 is about 1301.6304733209.

The spelling of 2205276872 in words is "two billion, two hundred five million, two hundred seventy-six thousand, eight hundred seventy-two".