3222647646 has 32 divisors (see below), whose sum is σ = 6791869440. Its totient is φ = 1016576064.

The previous prime is 3222647609. The next prime is 3222647647. The reversal of 3222647646 is 6467462223.

It is a junction number, because it is equal to n+sod(n) for n = 3222647598 and 3222647607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222647647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93811 + ... + 123473.

It is an arithmetic number, because the mean of its divisors is an integer number (212245920).

Almost surely, 2^3222647646 is an apocalyptic number.

3222647646 is an abundant number, since it is smaller than the sum of its proper divisors (3569221794).

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

3222647646 is a wasteful number, since it uses less digits than its factorization.

3222647646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30640.

The product of its digits is 580608, while the sum is 42.

The square root of 3222647646 is about 56768.3683577395. The cubic root of 3222647646 is about 1477.0808735553.

The spelling of 3222647646 in words is "three billion, two hundred twenty-two million, six hundred forty-seven thousand, six hundred forty-six".