2268279997 has 4 divisors (see below), whose sum is σ = 2269234240. Its totient is φ = 2267325756.

The previous prime is 2268279991. The next prime is 2268280031. The reversal of 2268279997 is 7999728622.

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 2268279997 - 2³ = 2268279989 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 (2268279991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473547 + ... + 478312.

It is an arithmetic number, because the mean of its divisors is an integer number (567308560).

Almost surely, 2^2268279997 is an apocalyptic number.

It is an amenable number.

2268279997 is a deficient number, since it is larger than the sum of its proper divisors (954243).

2268279997 is an equidigital number, since it uses as much as digits as its factorization.

2268279997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954242.

The product of its digits is 13716864, while the sum is 61.

The square root of 2268279997 is about 47626.4632006199. The cubic root of 2268279997 is about 1313.9098072998.

The spelling of 2268279997 in words is "two billion, two hundred sixty-eight million, two hundred seventy-nine thousand, nine hundred ninety-seven".