6630722 has 16 divisors (see below), whose sum is σ = 11538240. Its totient is φ = 2798928.

The previous prime is 6630709. The next prime is 6630737. The reversal of 6630722 is 2270366.

It is a junction number, because it is equal to n+sod(n) for n = 6630691 and 6630700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2597 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (721140).

Almost surely, 2^6630722 is an apocalyptic number.

6630722 is a deficient number, since it is larger than the sum of its proper divisors (4907518).

6630722 is a wasteful number, since it uses less digits than its factorization.

6630722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 6630722 is about 2575.0188348826. The cubic root of 6630722 is about 187.8683437666.

The spelling of 6630722 in words is "six million, six hundred thirty thousand, seven hundred twenty-two".