3224428661 has 2 divisors, whose sum is σ = 3224428662. Its totient is φ = 3224428660.

The previous prime is 3224428651. The next prime is 3224428679. The reversal of 3224428661 is 1668244223.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2580030436 + 644398225 = 50794^2 + 25385^2 .

It is a cyclic number.

It is not a de Polignac number, because 3224428661 - 2¹⁰ = 3224427637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3224428621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612214330 + 1612214331.

It is an arithmetic number, because the mean of its divisors is an integer number (1612214331).

Almost surely, 2^3224428661 is an apocalyptic number.

It is an amenable number.

3224428661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3224428661 is an equidigital number, since it uses as much as digits as its factorization.

3224428661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 38.

The square root of 3224428661 is about 56784.0528757855. The cubic root of 3224428661 is about 1477.3529292276.

The spelling of 3224428661 in words is "three billion, two hundred twenty-four million, four hundred twenty-eight thousand, six hundred sixty-one".