844866227 has 2 divisors, whose sum is σ = 844866228. Its totient is φ = 844866226.

The previous prime is 844866223. The next prime is 844866233. The reversal of 844866227 is 722668448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844866227 - 2² = 844866223 is a prime.

It is not a weakly prime, because it can be changed into another prime (844866223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422433113 + 422433114.

It is an arithmetic number, because the mean of its divisors is an integer number (422433114).

Almost surely, 2^844866227 is an apocalyptic number.

844866227 is a deficient number, since it is larger than the sum of its proper divisors (1).

844866227 is an equidigital number, since it uses as much as digits as its factorization.

844866227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 47.

The square root of 844866227 is about 29066.5826508725. The cubic root of 844866227 is about 945.3573024361.

The spelling of 844866227 in words is "eight hundred forty-four million, eight hundred sixty-six thousand, two hundred twenty-seven".