3332644421 has 2 divisors, whose sum is σ = 3332644422. Its totient is φ = 3332644420.

The previous prime is 3332644397. The next prime is 3332644439. The reversal of 3332644421 is 1244462333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2949033025 + 383611396 = 54305^2 + 19586^2 .

It is a cyclic number.

It is not a de Polignac number, because 3332644421 - 2²⁶ = 3265535557 is a prime.

It is a super-2 number, since 2×3332644421² = 22213037673644850482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3332644121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666322210 + 1666322211.

It is an arithmetic number, because the mean of its divisors is an integer number (1666322211).

Almost surely, 2^3332644421 is an apocalyptic number.

It is an amenable number.

3332644421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3332644421 is an equidigital number, since it uses as much as digits as its factorization.

3332644421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 32.

The square root of 3332644421 is about 57729.0604548524. The cubic root of 3332644421 is about 1493.6986652620.

The spelling of 3332644421 in words is "three billion, three hundred thirty-two million, six hundred forty-four thousand, four hundred twenty-one".