3223231997 has 2 divisors, whose sum is σ = 3223231998. Its totient is φ = 3223231996.

The previous prime is 3223231981. The next prime is 3223232039. The reversal of 3223231997 is 7991323223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2464725316 + 758506681 = 49646^2 + 27541^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223231997 - 2⁴ = 3223231981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3223231967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611615998 + 1611615999.

It is an arithmetic number, because the mean of its divisors is an integer number (1611615999).

Almost surely, 2^3223231997 is an apocalyptic number.

It is an amenable number.

3223231997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223231997 is an equidigital number, since it uses as much as digits as its factorization.

3223231997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 3223231997 is about 56773.5149255355. The cubic root of 3223231997 is about 1477.1701460641.

The spelling of 3223231997 in words is "three billion, two hundred twenty-three million, two hundred thirty-one thousand, nine hundred ninety-seven".