322411421 has 2 divisors, whose sum is σ = 322411422. Its totient is φ = 322411420.

The previous prime is 322411417. The next prime is 322411457. The reversal of 322411421 is 124114223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271788196 + 50623225 = 16486^2 + 7115^2 .

It is a cyclic number.

It is not a de Polignac number, because 322411421 - 2² = 322411417 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 322411393 and 322411402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322411121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161205710 + 161205711.

It is an arithmetic number, because the mean of its divisors is an integer number (161205711).

Almost surely, 2^322411421 is an apocalyptic number.

It is an amenable number.

322411421 is a deficient number, since it is larger than the sum of its proper divisors (1).

322411421 is an equidigital number, since it uses as much as digits as its factorization.

322411421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 322411421 is about 17955.8185834008. The cubic root of 322411421 is about 685.7041942195.

Adding to 322411421 its reverse (124114223), we get a palindrome (446525644).

The spelling of 322411421 in words is "three hundred twenty-two million, four hundred eleven thousand, four hundred twenty-one".