3215222399 has 2 divisors, whose sum is σ = 3215222400. Its totient is φ = 3215222398.

The previous prime is 3215222383. The next prime is 3215222429. The reversal of 3215222399 is 9932225123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3215222399 - 2⁴ = 3215222383 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 (3215222999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607611199 + 1607611200.

It is an arithmetic number, because the mean of its divisors is an integer number (1607611200).

Almost surely, 2^3215222399 is an apocalyptic number.

3215222399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215222399 is an equidigital number, since it uses as much as digits as its factorization.

3215222399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 3215222399 is about 56702.9311323498. The cubic root of 3215222399 is about 1475.9455622813.

The spelling of 3215222399 in words is "three billion, two hundred fifteen million, two hundred twenty-two thousand, three hundred ninety-nine".