2257779276 has 36 divisors (see below), whose sum is σ = 5709229344. Its totient is φ = 752320800.

The previous prime is 2257779221. The next prime is 2257779283. The reversal of 2257779276 is 6729777522.

It is a tau number, because it is divible by the number of its divisors (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, 106221 + ... + 125691.

It is an arithmetic number, because the mean of its divisors is an integer number (158589704).

Almost surely, 2^2257779276 is an apocalyptic number.

It is an amenable number.

2257779276 is an abundant number, since it is smaller than the sum of its proper divisors (3451450068).

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

2257779276 is a wasteful number, since it uses less digits than its factorization.

2257779276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22702 (or 22697 counting only the distinct ones).

The product of its digits is 5186160, while the sum is 54.

The square root of 2257779276 is about 47516.0949153021. The cubic root of 2257779276 is about 1311.8791429857.

The spelling of 2257779276 in words is "two billion, two hundred fifty-seven million, seven hundred seventy-nine thousand, two hundred seventy-six".