490978238222 has 8 divisors (see below), whose sum is σ = 736499576376. Its totient is φ = 245478379432.

The previous prime is 490978238167. The next prime is 490978238227. The reversal of 490978238222 is 222832879094.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490978238227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5312573 + ... + 5404200.

It is an arithmetic number, because the mean of its divisors is an integer number (92062447047).

Almost surely, 2^490978238222 is an apocalyptic number.

490978238222 is a deficient number, since it is larger than the sum of its proper divisors (245521338154).

490978238222 is a wasteful number, since it uses less digits than its factorization.

490978238222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739682.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 490978238222 in words is "four hundred ninety billion, nine hundred seventy-eight million, two hundred thirty-eight thousand, two hundred twenty-two".