2268707997 has 4 divisors (see below), whose sum is σ = 3024944000. Its totient is φ = 1512471996.

The previous prime is 2268707929. The next prime is 2268708011. The reversal of 2268707997 is 7997078622.

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 not a de Polignac number, because 2268707997 - 2⁷ = 2268707869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268707297) 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, 378117997 + ... + 378118002.

It is an arithmetic number, because the mean of its divisors is an integer number (756236000).

Almost surely, 2^2268707997 is an apocalyptic number.

It is an amenable number.

2268707997 is a deficient number, since it is larger than the sum of its proper divisors (756236003).

2268707997 is an equidigital number, since it uses as much as digits as its factorization.

2268707997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756236002.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The square root of 2268707997 is about 47630.9562889514. The cubic root of 2268707997 is about 1313.9924423113.

The spelling of 2268707997 in words is "two billion, two hundred sixty-eight million, seven hundred seven thousand, nine hundred ninety-seven".