330402222421 has 2 divisors, whose sum is σ = 330402222422. Its totient is φ = 330402222420.

The previous prime is 330402222389. The next prime is 330402222499. The reversal of 330402222421 is 124222204033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287200599921 + 43201622500 = 535911^2 + 207850^2 .

It is a cyclic number.

It is not a de Polignac number, because 330402222421 - 2⁵ = 330402222389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330402223421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165201111210 + 165201111211.

It is an arithmetic number, because the mean of its divisors is an integer number (165201111211).

Almost surely, 2^330402222421 is an apocalyptic number.

It is an amenable number.

330402222421 is a deficient number, since it is larger than the sum of its proper divisors (1).

330402222421 is an equidigital number, since it uses as much as digits as its factorization.

330402222421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 330402222421 its reverse (124222204033), we get a palindrome (454624426454).

The spelling of 330402222421 in words is "three hundred thirty billion, four hundred two million, two hundred twenty-two thousand, four hundred twenty-one".