630228194 has 16 divisors (see below), whose sum is σ = 963990720. Its totient is φ = 308908080.

The previous prime is 630228173. The next prime is 630228223. The reversal of 630228194 is 491822036.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203147 + ... + 206225.

It is an arithmetic number, because the mean of its divisors is an integer number (60249420).

Almost surely, 2^630228194 is an apocalyptic number.

630228194 is a deficient number, since it is larger than the sum of its proper divisors (333762526).

630228194 is a wasteful number, since it uses less digits than its factorization.

630228194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 630228194 is about 25104.3461177542. The cubic root of 630228194 is about 857.3653794510.

The spelling of 630228194 in words is "six hundred thirty million, two hundred twenty-eight thousand, one hundred ninety-four".