8227568449 has 2 divisors, whose sum is σ = 8227568450. Its totient is φ = 8227568448.

The previous prime is 8227568341. The next prime is 8227568477. The reversal of 8227568449 is 9448657228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7442167824 + 785400625 = 86268^2 + 28025^2 .

It is a cyclic number.

It is not a de Polignac number, because 8227568449 - 2¹¹ = 8227566401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8227568449.

It is not a weakly prime, because it can be changed into another prime (8227568249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113784224 + 4113784225.

It is an arithmetic number, because the mean of its divisors is an integer number (4113784225).

Almost surely, 2^8227568449 is an apocalyptic number.

It is an amenable number.

8227568449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8227568449 is an equidigital number, since it uses as much as digits as its factorization.

8227568449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 55.

The square root of 8227568449 is about 90705.9449484983. The cubic root of 8227568449 is about 2018.7870089877.

The spelling of 8227568449 in words is "eight billion, two hundred twenty-seven million, five hundred sixty-eight thousand, four hundred forty-nine".