1005516227 has 2 divisors, whose sum is σ = 1005516228. Its totient is φ = 1005516226.

The previous prime is 1005516223. The next prime is 1005516247. The reversal of 1005516227 is 7226155001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1005516227 - 2² = 1005516223 is a prime.

It is a super-2 number, since 2×1005516227² = 2022125765520631058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005516227.

It is not a weakly prime, because it can be changed into another prime (1005516223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502758113 + 502758114.

It is an arithmetic number, because the mean of its divisors is an integer number (502758114).

Almost surely, 2^1005516227 is an apocalyptic number.

1005516227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005516227 is an equidigital number, since it uses as much as digits as its factorization.

1005516227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1005516227 is about 31709.8758591074. The cubic root of 1005516227 is about 1001.8353716832.

The spelling of 1005516227 in words is "one billion, five million, five hundred sixteen thousand, two hundred twenty-seven".