630140022 has 24 divisors (see below), whose sum is σ = 1366629264. Its totient is φ = 209842704.

The previous prime is 630139967. The next prime is 630140023. The reversal of 630140022 is 220041036.

It is a happy number.

630140022 is a `hidden beast` number, since 630 + 14 + 0 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 630139977 and 630140004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630140023) 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, 2668 + ... + 35600.

It is an arithmetic number, because the mean of its divisors is an integer number (56942886).

Almost surely, 2^630140022 is an apocalyptic number.

630140022 is an abundant number, since it is smaller than the sum of its proper divisors (736489242).

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

630140022 is a wasteful number, since it uses less digits than its factorization.

630140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34004 (or 34001 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 630140022 is about 25102.5899460594. The cubic root of 630140022 is about 857.3253943860.

Adding to 630140022 its reverse (220041036), we get a palindrome (850181058).

The spelling of 630140022 in words is "six hundred thirty million, one hundred forty thousand, twenty-two".