490220266 has 8 divisors (see below), whose sum is σ = 742611204. Its totient is φ = 242683200.

The previous prime is 490220251. The next prime is 490220299. The reversal of 490220266 is 662022094.

It can be written as a sum of positive squares in 2 ways, for example, as 489073225 + 1147041 = 22115^2 + 1071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×490220266² = 480631818394221512, which contains 22 as substring.

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, 1213215 + ... + 1213618.

Almost surely, 2^490220266 is an apocalyptic number.

490220266 is a deficient number, since it is larger than the sum of its proper divisors (252390938).

490220266 is a wasteful number, since it uses less digits than its factorization.

490220266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426936.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 490220266 is about 22140.9183639704. The cubic root of 490220266 is about 788.4916291454.

The spelling of 490220266 in words is "four hundred ninety million, two hundred twenty thousand, two hundred sixty-six".