490822 has 4 divisors (see below), whose sum is σ = 736236. Its totient is φ = 245410.

The previous prime is 490783. The next prime is 490829. The reversal of 490822 is 228094.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490829) by changing a digit.

490822 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 as a sum of consecutive naturals, namely, 122704 + ... + 122707.

It is an arithmetic number, because the mean of its divisors is an integer number (184059).

2⁴⁹⁰⁸²² is an apocalyptic number.

490822 is a deficient number, since it is larger than the sum of its proper divisors (245414).

490822 is a wasteful number, since it uses less digits than its factorization.

490822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245413.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 490822 is about 700.5868968229. The cubic root of 490822 is about 78.8814115625.

The spelling of 490822 in words is "four hundred ninety thousand, eight hundred twenty-two".