490522 has 4 divisors (see below), whose sum is σ = 735786. Its totient is φ = 245260.

The previous prime is 490519. The next prime is 490537. The reversal of 490522 is 225094.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 279841 + 210681 = 529^2 + 459^2 .

It is a super-2 number, since 2×490522² = 481223664968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 490493 and 490502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122629 + ... + 122632.

2⁴⁹⁰⁵²² is an apocalyptic number.

490522 is a deficient number, since it is larger than the sum of its proper divisors (245264).

490522 is a wasteful number, since it uses less digits than its factorization.

490522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245263.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 490522 is about 700.3727578940. The cubic root of 490522 is about 78.8653370002.

The spelling of 490522 in words is "four hundred ninety thousand, five hundred twenty-two".