630532230 has 32 divisors (see below), whose sum is σ = 1515677184. Its totient is φ = 167875296.

The previous prime is 630532223. The next prime is 630532237. The reversal of 630532230 is 32235036.

It is an interprime number because it is at equal distance from previous prime (630532223) and next prime (630532237).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 630532230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630532237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2947 + ... + 35633.

It is an arithmetic number, because the mean of its divisors is an integer number (47364912).

Almost surely, 2^630532230 is an apocalyptic number.

630532230 is an abundant number, since it is smaller than the sum of its proper divisors (885144954).

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

630532230 is a wasteful number, since it uses less digits than its factorization.

630532230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33340.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 630532230 is about 25110.4008331209. The cubic root of 630532230 is about 857.5032279513.

Adding to 630532230 its reverse (32235036), we get a palindrome (662767266).

The spelling of 630532230 in words is "six hundred thirty million, five hundred thirty-two thousand, two hundred thirty".