630223000 has 256 divisors, whose sum is σ = 1746800640. Its totient is φ = 210496000.

The previous prime is 630222991. The next prime is 630223003. The reversal of 630223000 is 322036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630223003) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 11890974 + ... + 11891026.

It is an arithmetic number, because the mean of its divisors is an integer number (6823440).

Almost surely, 2^630223000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873400320).

630223000 is an abundant number, since it is smaller than the sum of its proper divisors (1116577640).

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

630223000 is a wasteful number, since it uses less digits than its factorization.

630223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 630223000 is about 25104.2426693179. The cubic root of 630223000 is about 857.3630241306.

Adding to 630223000 its reverse (322036), we get a palindrome (630545036).

The spelling of 630223000 in words is "six hundred thirty million, two hundred twenty-three thousand".