630648822 has 32 divisors (see below), whose sum is σ = 1321712640. Its totient is φ = 200224640.

The previous prime is 630648791. The next prime is 630648859. The reversal of 630648822 is 228846036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23422 + ... + 42542.

It is an arithmetic number, because the mean of its divisors is an integer number (41303520).

Almost surely, 2^630648822 is an apocalyptic number.

630648822 is an abundant number, since it is smaller than the sum of its proper divisors (691063818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630648822 is a wasteful number, since it uses less digits than its factorization.

630648822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19388.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 630648822 is about 25112.7223136003. The cubic root of 630648822 is about 857.5560784638.

The spelling of 630648822 in words is "six hundred thirty million, six hundred forty-eight thousand, eight hundred twenty-two".