422177227 has 2 divisors, whose sum is σ = 422177228. Its totient is φ = 422177226.

The previous prime is 422177221. The next prime is 422177257. The reversal of 422177227 is 722771224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422177227 - 2¹⁹ = 421652939 is a prime.

It is a super-2 number, since 2×422177227² = 356467221994819058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422177192 and 422177201.

It is not a weakly prime, because it can be changed into another prime (422177221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211088613 + 211088614.

It is an arithmetic number, because the mean of its divisors is an integer number (211088614).

Almost surely, 2^422177227 is an apocalyptic number.

422177227 is a deficient number, since it is larger than the sum of its proper divisors (1).

422177227 is an equidigital number, since it uses as much as digits as its factorization.

422177227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21952, while the sum is 34.

The square root of 422177227 is about 20546.9517690581. The cubic root of 422177227 is about 750.1790547306.

The spelling of 422177227 in words is "four hundred twenty-two million, one hundred seventy-seven thousand, two hundred twenty-seven".