3222424391 has 2 divisors, whose sum is σ = 3222424392. Its totient is φ = 3222424390.

The previous prime is 3222424357. The next prime is 3222424411. The reversal of 3222424391 is 1934242223.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3222424391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3222424991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611212195 + 1611212196.

It is an arithmetic number, because the mean of its divisors is an integer number (1611212196).

Almost surely, 2^3222424391 is an apocalyptic number.

3222424391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222424391 is an equidigital number, since it uses as much as digits as its factorization.

3222424391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 3222424391 is about 56766.4019557343. The cubic root of 3222424391 is about 1477.0467635788.

The spelling of 3222424391 in words is "three billion, two hundred twenty-two million, four hundred twenty-four thousand, three hundred ninety-one".