6630224 has 10 divisors (see below), whose sum is σ = 12846090. Its totient is φ = 3315104.

The previous prime is 6630223. The next prime is 6630227. The reversal of 6630224 is 4220366.

It can be written as a sum of positive squares in only one way, i.e., 4579600 + 2050624 = 2140^2 + 1432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6630224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207179 + ... + 207210.

It is an arithmetic number, because the mean of its divisors is an integer number (1284609).

Almost surely, 2^6630224 is an apocalyptic number.

It is an amenable number.

6630224 is a deficient number, since it is larger than the sum of its proper divisors (6215866).

6630224 is a wasteful number, since it uses less digits than its factorization.

6630224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414397 (or 414391 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 6630224 is about 2574.9221347450. The cubic root of 6630224 is about 187.8636403685.

The spelling of 6630224 in words is "six million, six hundred thirty thousand, two hundred twenty-four".