422992 has 10 divisors (see below), whose sum is σ = 819578. Its totient is φ = 211488.

The previous prime is 422987. The next prime is 423001. The reversal of 422992 is 299224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 18496 = 636^2 + 136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13203 + ... + 13234.

2⁴²²⁹⁹² is an apocalyptic number.

It is an amenable number.

422992 is a deficient number, since it is larger than the sum of its proper divisors (396586).

422992 is a wasteful number, since it uses less digits than its factorization.

422992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26445 (or 26439 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 422992 is about 650.3783514232. The cubic root of 422992 is about 75.0661342589.

The spelling of 422992 in words is "four hundred twenty-two thousand, nine hundred ninety-two".