2258170456 has 16 divisors (see below), whose sum is σ = 4332537000. Its totient is φ = 1102827264.

The previous prime is 2258170373. The next prime is 2258170457. The reversal of 2258170456 is 6540718522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258170457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3281881 + ... + 3282568.

Almost surely, 2^2258170456 is an apocalyptic number.

It is an amenable number.

2258170456 is a deficient number, since it is larger than the sum of its proper divisors (2074366544).

2258170456 is a wasteful number, since it uses less digits than its factorization.

2258170456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564498 (or 6564494 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2258170456 is about 47520.2110264675. The cubic root of 2258170456 is about 1311.9549034544.

Adding to 2258170456 its reverse (6540718522), we get a palindrome (8798888978).

The spelling of 2258170456 in words is "two billion, two hundred fifty-eight million, one hundred seventy thousand, four hundred fifty-six".