522455 has 4 divisors (see below), whose sum is σ = 626952. Its totient is φ = 417960.

The previous prime is 522449. The next prime is 522469. The reversal of 522455 is 554225.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 522455 - 2⁴ = 522439 is a prime.

It is a d-powerful number, because it can be written as 5 + 2⁶ + 4³ + 2¹⁷ + 5⁴ + 5⁸ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52241 + ... + 52250.

It is an arithmetic number, because the mean of its divisors is an integer number (156738).

2⁵²²⁴⁵⁵ is an apocalyptic number.

522455 is a deficient number, since it is larger than the sum of its proper divisors (104497).

522455 is a wasteful number, since it uses less digits than its factorization.

522455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104496.

The product of its digits is 2000, while the sum is 23.

The square root of 522455 is about 722.8104869189. The cubic root of 522455 is about 80.5408663047.

The spelling of 522455 in words is "five hundred twenty-two thousand, four hundred fifty-five".