2206445321 has 2 divisors, whose sum is σ = 2206445322. Its totient is φ = 2206445320.

The previous prime is 2206445303. The next prime is 2206445333. The reversal of 2206445321 is 1235446022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2126593225 + 79852096 = 46115^2 + 8936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206445321 - 2⁶ = 2206445257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2206445341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103222660 + 1103222661.

It is an arithmetic number, because the mean of its divisors is an integer number (1103222661).

Almost surely, 2^2206445321 is an apocalyptic number.

It is an amenable number.

2206445321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206445321 is an equidigital number, since it uses as much as digits as its factorization.

2206445321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2206445321 is about 46972.8147016974. The cubic root of 2206445321 is about 1301.8603190321.

The spelling of 2206445321 in words is "two billion, two hundred six million, four hundred forty-five thousand, three hundred twenty-one".