630147222 has 32 divisors (see below), whose sum is σ = 1438178400. Its totient is φ = 204371424.

The previous prime is 630147197. The next prime is 630147247. The reversal of 630147222 is 222741036.

630147222 is a `hidden beast` number, since 630 + 1 + 4 + 7 + 2 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (630147197) and next prime (630147247).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 155697 + ... + 159692.

It is an arithmetic number, because the mean of its divisors is an integer number (44943075).

Almost surely, 2^630147222 is an apocalyptic number.

630147222 is an abundant number, since it is smaller than the sum of its proper divisors (808031178).

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

630147222 is a wasteful number, since it uses less digits than its factorization.

630147222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315437 (or 315431 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 630147222 is about 25102.7333571466. The cubic root of 630147222 is about 857.3286596493.

Adding to 630147222 its reverse (222741036), we get a palindrome (852888258).

The spelling of 630147222 in words is "six hundred thirty million, one hundred forty-seven thousand, two hundred twenty-two".