630075322 has 16 divisors (see below), whose sum is σ = 957565800. Its totient is φ = 310900480.

The previous prime is 630075311. The next prime is 630075349. The reversal of 630075322 is 223570036.

It can be written as a sum of positive squares in 4 ways, for example, as 163558521 + 466516801 = 12789^2 + 21599^2 .

It is a super-2 number, since 2×630075322² = 793989822786807368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98172 + ... + 104392.

Almost surely, 2^630075322 is an apocalyptic number.

630075322 is a deficient number, since it is larger than the sum of its proper divisors (327490478).

630075322 is a wasteful number, since it uses less digits than its factorization.

630075322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 630075322 is about 25101.3012013322. The cubic root of 630075322 is about 857.2960512508.

The spelling of 630075322 in words is "six hundred thirty million, seventy-five thousand, three hundred twenty-two".