3220949911 has 2 divisors, whose sum is σ = 3220949912. Its totient is φ = 3220949910.

The previous prime is 3220949833. The next prime is 3220949917. The reversal of 3220949911 is 1199490223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3220949911 - 2⁹ = 3220949399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220949917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610474955 + 1610474956.

It is an arithmetic number, because the mean of its divisors is an integer number (1610474956).

Almost surely, 2^3220949911 is an apocalyptic number.

3220949911 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220949911 is an equidigital number, since it uses as much as digits as its factorization.

3220949911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3220949911 is about 56753.4132101321. The cubic root of 3220949911 is about 1476.8214458358.

The spelling of 3220949911 in words is "three billion, two hundred twenty million, nine hundred forty-nine thousand, nine hundred eleven".