3066372221 has 16 divisors (see below), whose sum is σ = 3383468928. Its totient is φ = 2755752000.

The previous prime is 3066372193. The next prime is 3066372233. The reversal of 3066372221 is 1222736603.

3066372221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3066372221 - 2²⁶ = 2999263357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3066372241) 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, 883736 + ... + 887198.

It is an arithmetic number, because the mean of its divisors is an integer number (211466808).

Almost surely, 2^3066372221 is an apocalyptic number.

It is an amenable number.

3066372221 is a deficient number, since it is larger than the sum of its proper divisors (317096707).

3066372221 is a wasteful number, since it uses less digits than its factorization.

3066372221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 3066372221 is about 55374.8338236784. The cubic root of 3066372221 is about 1452.8082273707.

The spelling of 3066372221 in words is "three billion, sixty-six million, three hundred seventy-two thousand, two hundred twenty-one".