2257634705 has 32 divisors (see below), whose sum is σ = 2828390400. Its totient is φ = 1728864000.

The previous prime is 2257634689. The next prime is 2257634711. The reversal of 2257634705 is 5074367522.

It is not a de Polignac number, because 2257634705 - 2⁴ = 2257634689 is a prime.

It is a super-2 number, since 2×2257634705² = 10193828922440874050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1960880 + ... + 1962030.

It is an arithmetic number, because the mean of its divisors is an integer number (88387200).

Almost surely, 2^2257634705 is an apocalyptic number.

It is an amenable number.

2257634705 is a deficient number, since it is larger than the sum of its proper divisors (570755695).

2257634705 is a wasteful number, since it uses less digits than its factorization.

2257634705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385.

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 2257634705 is about 47514.5736064210. The cubic root of 2257634705 is about 1311.8511414697.

The spelling of 2257634705 in words is "two billion, two hundred fifty-seven million, six hundred thirty-four thousand, seven hundred five".