630207222 has 24 divisors (see below), whose sum is σ = 1317604344. Its totient is φ = 200934624.

The previous prime is 630207211. The next prime is 630207223. The reversal of 630207222 is 222702036.

It is a super-2 number, since 2×630207222² = 794322285321914568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630207192 and 630207201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630207223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96103 + ... + 102450.

It is an arithmetic number, because the mean of its divisors is an integer number (54900181).

Almost surely, 2^630207222 is an apocalyptic number.

630207222 is an abundant number, since it is smaller than the sum of its proper divisors (687397122).

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

630207222 is a wasteful number, since it uses less digits than its factorization.

630207222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198604 (or 198581 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 630207222 is about 25103.9284176800. The cubic root of 630207222 is about 857.3558692099.

Adding to 630207222 its reverse (222702036), we get a palindrome (852909258).

The spelling of 630207222 in words is "six hundred thirty million, two hundred seven thousand, two hundred twenty-two".