2258515870 has 32 divisors (see below), whose sum is σ = 4452265440. Its totient is φ = 819776640.

The previous prime is 2258515859. The next prime is 2258515877. The reversal of 2258515870 is 785158522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258515877) 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, 139561 + ... + 154900.

It is an arithmetic number, because the mean of its divisors is an integer number (139133295).

Almost surely, 2^2258515870 is an apocalyptic number.

2258515870 is a deficient number, since it is larger than the sum of its proper divisors (2193749570).

2258515870 is a wasteful number, since it uses less digits than its factorization.

2258515870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294540.

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 2258515870 is about 47523.8452779234. The cubic root of 2258515870 is about 1312.0217930738.

The spelling of 2258515870 in words is "two billion, two hundred fifty-eight million, five hundred fifteen thousand, eight hundred seventy".