2220640441 has 2 divisors, whose sum is σ = 2220640442. Its totient is φ = 2220640440.

The previous prime is 2220640417. The next prime is 2220640451. The reversal of 2220640441 is 1440460222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2219823225 + 817216 = 47115^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220640441 - 2⁹ = 2220639929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220640451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110320220 + 1110320221.

It is an arithmetic number, because the mean of its divisors is an integer number (1110320221).

Almost surely, 2^2220640441 is an apocalyptic number.

It is an amenable number.

2220640441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220640441 is an equidigital number, since it uses as much as digits as its factorization.

2220640441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2220640441 is about 47123.6717690801. The cubic root of 2220640441 is about 1304.6461836910.

The spelling of 2220640441 in words is "two billion, two hundred twenty million, six hundred forty thousand, four hundred forty-one".