630922004 has 12 divisors (see below), whose sum is σ = 1110496884. Its totient is φ = 313637184.

The previous prime is 630922001. The next prime is 630922091. The reversal of 630922004 is 400229036.

It can be written as a sum of positive squares in 2 ways, for example, as 363664900 + 267257104 = 19070^2 + 16348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630922001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455177 + ... + 456560.

It is an arithmetic number, because the mean of its divisors is an integer number (92541407).

Almost surely, 2^630922004 is an apocalyptic number.

It is an amenable number.

630922004 is a deficient number, since it is larger than the sum of its proper divisors (479574880).

630922004 is a wasteful number, since it uses less digits than its factorization.

630922004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911914 (or 911912 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 630922004 is about 25118.1608403163. The cubic root of 630922004 is about 857.6798848560.

The spelling of 630922004 in words is "six hundred thirty million, nine hundred twenty-two thousand, four".