3222031997 has 2 divisors, whose sum is σ = 3222031998. Its totient is φ = 3222031996.

The previous prime is 3222031993. The next prime is 3222032003. The reversal of 3222031997 is 7991302223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187058756 + 1034973241 = 46766^2 + 32171^2 .

It is a cyclic number.

It is not a de Polignac number, because 3222031997 - 2² = 3222031993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3222031997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3222031993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611015998 + 1611015999.

It is an arithmetic number, because the mean of its divisors is an integer number (1611015999).

Almost surely, 2^3222031997 is an apocalyptic number.

It is an amenable number.

3222031997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222031997 is an equidigital number, since it uses as much as digits as its factorization.

3222031997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3222031997 is about 56762.9456335733. The cubic root of 3222031997 is about 1476.9868079115.

The spelling of 3222031997 in words is "three billion, two hundred twenty-two million, thirty-one thousand, nine hundred ninety-seven".