2275314991 has 2 divisors, whose sum is σ = 2275314992. Its totient is φ = 2275314990.

The previous prime is 2275314949. The next prime is 2275315019. The reversal of 2275314991 is 1994135722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2275314991 - 2⁷ = 2275314863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2275314911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137657495 + 1137657496.

It is an arithmetic number, because the mean of its divisors is an integer number (1137657496).

Almost surely, 2^2275314991 is an apocalyptic number.

2275314991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275314991 is an equidigital number, since it uses as much as digits as its factorization.

2275314991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 2275314991 is about 47700.2619594484. The cubic root of 2275314991 is about 1315.2667544253.

The spelling of 2275314991 in words is "two billion, two hundred seventy-five million, three hundred fourteen thousand, nine hundred ninety-one".