810423227 has 2 divisors, whose sum is σ = 810423228. Its totient is φ = 810423226.

The previous prime is 810423221. The next prime is 810423253. The reversal of 810423227 is 722324018.

810423227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 810423227 - 2⁸ = 810422971 is a prime.

It is a super-2 number, since 2×810423227² = 1313571613722187058, 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 810423227.

It is not a weakly prime, because it can be changed into another prime (810423221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405211613 + 405211614.

It is an arithmetic number, because the mean of its divisors is an integer number (405211614).

Almost surely, 2^810423227 is an apocalyptic number.

810423227 is a deficient number, since it is larger than the sum of its proper divisors (1).

810423227 is an equidigital number, since it uses as much as digits as its factorization.

810423227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 810423227 is about 28467.9333110080. The cubic root of 810423227 is about 932.3320771833.

The spelling of 810423227 in words is "eight hundred ten million, four hundred twenty-three thousand, two hundred twenty-seven".