2245712279 has 2 divisors, whose sum is σ = 2245712280. Its totient is φ = 2245712278.

The previous prime is 2245712243. The next prime is 2245712297. The reversal of 2245712279 is 9722175422.

Together with next prime (2245712297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2245712279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2245712219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122856139 + 1122856140.

It is an arithmetic number, because the mean of its divisors is an integer number (1122856140).

Almost surely, 2^2245712279 is an apocalyptic number.

2245712279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245712279 is an equidigital number, since it uses as much as digits as its factorization.

2245712279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 2245712279 is about 47388.9468019706. The cubic root of 2245712279 is about 1309.5377968506.

The spelling of 2245712279 in words is "two billion, two hundred forty-five million, seven hundred twelve thousand, two hundred seventy-nine".