3220465666 has 16 divisors (see below), whose sum is σ = 5274914400. Its totient is φ = 1462442080.

The previous prime is 3220465657. The next prime is 3220465679. The reversal of 3220465666 is 6665640223.

3220465666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 46696 + ... + 92851.

It is an arithmetic number, because the mean of its divisors is an integer number (329682150).

Almost surely, 2^3220465666 is an apocalyptic number.

3220465666 is a deficient number, since it is larger than the sum of its proper divisors (2054448734).

3220465666 is a wasteful number, since it uses less digits than its factorization.

3220465666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140609.

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 3220465666 is about 56749.1468305912. The cubic root of 3220465666 is about 1476.7474325517.

The spelling of 3220465666 in words is "three billion, two hundred twenty million, four hundred sixty-five thousand, six hundred sixty-six".