630885922 has 8 divisors (see below), whose sum is σ = 947337372. Its totient is φ = 315106800.

The previous prime is 630885917. The next prime is 630885943. The reversal of 630885922 is 229588036.

It can be written as a sum of positive squares in 2 ways, for example, as 623051521 + 7834401 = 24961^2 + 2799^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165729 + ... + 169492.

Almost surely, 2^630885922 is an apocalyptic number.

630885922 is a deficient number, since it is larger than the sum of its proper divisors (316451450).

630885922 is a wasteful number, since it uses less digits than its factorization.

630885922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336164.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 630885922 is about 25117.4425847856. The cubic root of 630885922 is about 857.6635345014.

The spelling of 630885922 in words is "six hundred thirty million, eight hundred eighty-five thousand, nine hundred twenty-two".