630242242 has 16 divisors (see below), whose sum is σ = 1106767872. Its totient is φ = 263515680.

The previous prime is 630242231. The next prime is 630242243. The reversal of 630242242 is 242242036.

It is not an unprimeable number, because it can be changed into a prime (630242243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548418 + ... + 549565.

It is an arithmetic number, because the mean of its divisors is an integer number (69172992).

Almost surely, 2^630242242 is an apocalyptic number.

630242242 is a deficient number, since it is larger than the sum of its proper divisors (476525630).

630242242 is a wasteful number, since it uses less digits than its factorization.

630242242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098033.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 630242242 is about 25104.6259083859. The cubic root of 630242242 is about 857.3717497253.

Adding to 630242242 its reverse (242242036), we get a palindrome (872484278).

The spelling of 630242242 in words is "six hundred thirty million, two hundred forty-two thousand, two hundred forty-two".