422968177 has 24 divisors (see below), whose sum is σ = 484476552. Its totient is φ = 367937280.

The previous prime is 422968151. The next prime is 422968187. The reversal of 422968177 is 771869224.

It can be written as a sum of positive squares in 4 ways, for example, as 174874176 + 248094001 = 13224^2 + 15751^2 .

It is a de Polignac number, because none of the positive numbers 2^k-422968177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422968187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10316277 + ... + 10316317.

It is an arithmetic number, because the mean of its divisors is an integer number (20186523).

Almost surely, 2^422968177 is an apocalyptic number.

It is an amenable number.

422968177 is a deficient number, since it is larger than the sum of its proper divisors (61508375).

422968177 is an frugal number, since it uses more digits than its factorization.

422968177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 77 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 422968177 is about 20566.1901430479. The cubic root of 422968177 is about 750.6472498554.

The spelling of 422968177 in words is "four hundred twenty-two million, nine hundred sixty-eight thousand, one hundred seventy-seven".