2251498815 has 64 divisors (see below), whose sum is σ = 4093286400. Its totient is φ = 1173923712.

The previous prime is 2251498807. The next prime is 2251498871. The reversal of 2251498815 is 5188941522.

2251498815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2251498815 - 2³ = 2251498807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1140169 + ... + 1142141.

It is an arithmetic number, because the mean of its divisors is an integer number (63957600).

Almost surely, 2^2251498815 is an apocalyptic number.

2251498815 is a deficient number, since it is larger than the sum of its proper divisors (1841787585).

2251498815 is a wasteful number, since it uses less digits than its factorization.

2251498815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2167 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 2251498815 is about 47449.9611696364. The cubic root of 2251498815 is about 1310.6615959663.

The spelling of 2251498815 in words is "two billion, two hundred fifty-one million, four hundred ninety-eight thousand, eight hundred fifteen".