2258720716 has 24 divisors (see below), whose sum is σ = 4602679200. Its totient is φ = 949757952.

The previous prime is 2258720713. The next prime is 2258720731. The reversal of 2258720716 is 6170278522.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2258720713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759541 + ... + 762508.

It is an arithmetic number, because the mean of its divisors is an integer number (191778300).

Almost surely, 2^2258720716 is an apocalyptic number.

It is an amenable number.

2258720716 is an abundant number, since it is smaller than the sum of its proper divisors (2343958484).

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

2258720716 is a wasteful number, since it uses less digits than its factorization.

2258720716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522113 (or 1522111 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 2258720716 is about 47526.0004208223. Note that the first 3 decimals coincide. The cubic root of 2258720716 is about 1312.0614583978.

Subtracting from 2258720716 its sum of digits (40), we obtain a square (2258720676 = 47526²).

The spelling of 2258720716 in words is "two billion, two hundred fifty-eight million, seven hundred twenty thousand, seven hundred sixteen".