630222768 has 200 divisors, whose sum is σ = 2104881152. Its totient is φ = 178319232.

The previous prime is 630222721. The next prime is 630222823. The reversal of 630222768 is 867222036.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1151871 + ... + 1152417.

Almost surely, 2^630222768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630222768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052440576).

630222768 is an abundant number, since it is smaller than the sum of its proper divisors (1474658384).

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

630222768 is a wasteful number, since it uses less digits than its factorization.

630222768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 630222768 is about 25104.2380485845. The cubic root of 630222768 is about 857.3629189254.

The spelling of 630222768 in words is "six hundred thirty million, two hundred twenty-two thousand, seven hundred sixty-eight".