422526 has 16 divisors (see below), whose sum is σ = 910224. Its totient is φ = 129984.

The previous prime is 422479. The next prime is 422537. The reversal of 422526 is 625224.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422526.

It is an unprimeable number.

422526 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2631 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (56889).

2⁴²²⁵²⁶ is an apocalyptic number.

422526 is an abundant number, since it is smaller than the sum of its proper divisors (487698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422526 is a wasteful number, since it uses less digits than its factorization.

422526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435.

The product of its digits is 960, while the sum is 21.

The square root of 422526 is about 650.0199996923. The cubic root of 422526 is about 75.0385579515.

The spelling of 422526 in words is "four hundred twenty-two thousand, five hundred twenty-six".