2297437618 has 12 divisors (see below), whose sum is σ = 4008794382. Its totient is φ = 984616080.

The previous prime is 2297437603. The next prime is 2297437627. The reversal of 2297437618 is 8167347922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1429369249 + 868068369 = 37807^2 + 29463^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11721523 + ... + 11721718.

Almost surely, 2^2297437618 is an apocalyptic number.

2297437618 is a deficient number, since it is larger than the sum of its proper divisors (1711356764).

2297437618 is a wasteful number, since it uses less digits than its factorization.

2297437618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23443257 (or 23443250 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 2297437618 is about 47931.5931093470. The cubic root of 2297437618 is about 1319.5157425529.

The spelling of 2297437618 in words is "two billion, two hundred ninety-seven million, four hundred thirty-seven thousand, six hundred eighteen".