2245318737 has 4 divisors (see below), whose sum is σ = 2993758320. Its totient is φ = 1496879156.

The previous prime is 2245318723. The next prime is 2245318769. The reversal of 2245318737 is 7378135422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2245318737 - 2⁷ = 2245318609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2245310737) 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, 374219787 + ... + 374219792.

It is an arithmetic number, because the mean of its divisors is an integer number (748439580).

Almost surely, 2^2245318737 is an apocalyptic number.

It is an amenable number.

2245318737 is a deficient number, since it is larger than the sum of its proper divisors (748439583).

2245318737 is an equidigital number, since it uses as much as digits as its factorization.

2245318737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748439582.

The product of its digits is 282240, while the sum is 42.

The square root of 2245318737 is about 47384.7943648593. The cubic root of 2245318737 is about 1309.4612972569.

The spelling of 2245318737 in words is "two billion, two hundred forty-five million, three hundred eighteen thousand, seven hundred thirty-seven".