630334722 has 16 divisors (see below), whose sum is σ = 1261251360. Its totient is φ = 210014592.

The previous prime is 630334703. The next prime is 630334729. The reversal of 630334722 is 227433036.

It is a self number, because there is not a number n which added to its sum of digits gives 630334722.

It is not an unprimeable number, because it can be changed into a prime (630334729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9472 + ... + 36747.

It is an arithmetic number, because the mean of its divisors is an integer number (78828210).

Almost surely, 2^630334722 is an apocalyptic number.

630334722 is an abundant number, since it is smaller than the sum of its proper divisors (630916638).

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

630334722 is a wasteful number, since it uses less digits than its factorization.

630334722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48497.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 630334722 is about 25106.4677324390. The cubic root of 630334722 is about 857.4136837924.

Adding to 630334722 its reverse (227433036), we get a palindrome (857767758).

The spelling of 630334722 in words is "six hundred thirty million, three hundred thirty-four thousand, seven hundred twenty-two".