2257034321 has 16 divisors (see below), whose sum is σ = 2399846400. Its totient is φ = 2118093648.

The previous prime is 2257034279. The next prime is 2257034327. The reversal of 2257034321 is 1234307522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2257034321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257034327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838640 + ... + 841326.

It is an arithmetic number, because the mean of its divisors is an integer number (149990400).

Almost surely, 2^2257034321 is an apocalyptic number.

It is an amenable number.

2257034321 is a deficient number, since it is larger than the sum of its proper divisors (142812079).

2257034321 is a wasteful number, since it uses less digits than its factorization.

2257034321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2257034321 is about 47508.2552931593. The cubic root of 2257034321 is about 1311.7348421318.

The spelling of 2257034321 in words is "two billion, two hundred fifty-seven million, thirty-four thousand, three hundred twenty-one".