3220755406 has 32 divisors (see below), whose sum is σ = 5369607936. Its totient is φ = 1436640000.

The previous prime is 3220755337. The next prime is 3220755437. The reversal of 3220755406 is 6045570223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269886 + ... + 281566.

It is an arithmetic number, because the mean of its divisors is an integer number (167800248).

Almost surely, 2^3220755406 is an apocalyptic number.

3220755406 is a deficient number, since it is larger than the sum of its proper divisors (2148852530).

3220755406 is a wasteful number, since it uses less digits than its factorization.

3220755406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 3220755406 is about 56751.6995868846. The cubic root of 3220755406 is about 1476.7917180696.

The spelling of 3220755406 in words is "three billion, two hundred twenty million, seven hundred fifty-five thousand, four hundred six".