2257020294 has 48 divisors (see below), whose sum is σ = 4690397712. Its totient is φ = 724018176.

The previous prime is 2257020289. The next prime is 2257020307. The reversal of 2257020294 is 4920207522.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2184402 + ... + 2185434.

It is an arithmetic number, because the mean of its divisors is an integer number (97716619).

Almost surely, 2^2257020294 is an apocalyptic number.

2257020294 is an abundant number, since it is smaller than the sum of its proper divisors (2433377418).

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

2257020294 is a wasteful number, since it uses less digits than its factorization.

2257020294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2257020294 is about 47508.1076659553. The cubic root of 2257020294 is about 1311.7321247396.

The spelling of 2257020294 in words is "two billion, two hundred fifty-seven million, twenty thousand, two hundred ninety-four".