2257132394 has 16 divisors (see below), whose sum is σ = 3716154720. Its totient is φ = 1019673360.

The previous prime is 2257132373. The next prime is 2257132459. The reversal of 2257132394 is 4932317522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311129 + ... + 318300.

It is an arithmetic number, because the mean of its divisors is an integer number (232259670).

Almost surely, 2^2257132394 is an apocalyptic number.

2257132394 is a deficient number, since it is larger than the sum of its proper divisors (1459022326).

2257132394 is a wasteful number, since it uses less digits than its factorization.

2257132394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629605.

The product of its digits is 90720, while the sum is 38.

The square root of 2257132394 is about 47509.2874499292. The cubic root of 2257132394 is about 1311.7538410909.

The spelling of 2257132394 in words is "two billion, two hundred fifty-seven million, one hundred thirty-two thousand, three hundred ninety-four".