422895 has 24 divisors (see below), whose sum is σ = 746928. Its totient is φ = 204160.

The previous prime is 422893. The next prime is 422897. The reversal of 422895 is 598224.

422895 = 128² + 129² + ... + 149².

It is an interprime number because it is at equal distance from previous prime (422893) and next prime (422897).

It is not a de Polignac number, because 422895 - 2¹ = 422893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422893) 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, 1699 + ... + 1931.

It is an arithmetic number, because the mean of its divisors is an integer number (31122).

2⁴²²⁸⁹⁵ is an apocalyptic number.

422895 is a deficient number, since it is larger than the sum of its proper divisors (324033).

422895 is a wasteful number, since it uses less digits than its factorization.

422895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 252 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 422895 is about 650.3037751697. The cubic root of 422895 is about 75.0603957960.

The spelling of 422895 in words is "four hundred twenty-two thousand, eight hundred ninety-five".