630886922 has 16 divisors (see below), whose sum is σ = 972276480. Its totient is φ = 306875568.

The previous prime is 630886891. The next prime is 630886973. The reversal of 630886922 is 229688036.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4397 + ... + 35792.

It is an arithmetic number, because the mean of its divisors is an integer number (60767280).

Almost surely, 2^630886922 is an apocalyptic number.

630886922 is a deficient number, since it is larger than the sum of its proper divisors (341389558).

630886922 is a wasteful number, since it uses less digits than its factorization.

630886922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40405.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 630886922 is about 25117.4624912629. The cubic root of 630886922 is about 857.6639876541.

The spelling of 630886922 in words is "six hundred thirty million, eight hundred eighty-six thousand, nine hundred twenty-two".