715222769 has 2 divisors, whose sum is σ = 715222770. Its totient is φ = 715222768.

The previous prime is 715222733. The next prime is 715222777. The reversal of 715222769 is 967222517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713584369 + 1638400 = 26713^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 715222769 - 2²⁰ = 714174193 is a prime.

It is a super-2 number, since 2×715222769² = 1023087218592054722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715222709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357611384 + 357611385.

It is an arithmetic number, because the mean of its divisors is an integer number (357611385).

Almost surely, 2^715222769 is an apocalyptic number.

It is an amenable number.

715222769 is a deficient number, since it is larger than the sum of its proper divisors (1).

715222769 is an equidigital number, since it uses as much as digits as its factorization.

715222769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 715222769 is about 26743.6491339533. The cubic root of 715222769 is about 894.2942613283.

The spelling of 715222769 in words is "seven hundred fifteen million, two hundred twenty-two thousand, seven hundred sixty-nine".