3224221993 has 2 divisors, whose sum is σ = 3224221994. Its totient is φ = 3224221992.

The previous prime is 3224221969. The next prime is 3224222021. The reversal of 3224221993 is 3991224223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2833645824 + 390576169 = 53232^2 + 19763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3224221993 is a prime.

It is not a weakly prime, because it can be changed into another prime (3224221963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612110996 + 1612110997.

It is an arithmetic number, because the mean of its divisors is an integer number (1612110997).

Almost surely, 2^3224221993 is an apocalyptic number.

It is an amenable number.

3224221993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3224221993 is an equidigital number, since it uses as much as digits as its factorization.

3224221993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 3224221993 is about 56782.2330751442. The cubic root of 3224221993 is about 1477.3213651759.

It can be divided in two parts, 322422 and 1993, that added together give a triangular number (324415 = T₈₀₅).

The spelling of 3224221993 in words is "three billion, two hundred twenty-four million, two hundred twenty-one thousand, nine hundred ninety-three".