322301220421 has 2 divisors, whose sum is σ = 322301220422. Its totient is φ = 322301220420.

The previous prime is 322301220419. The next prime is 322301220431. The reversal of 322301220421 is 124022103223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286317027396 + 35984193025 = 535086^2 + 189695^2 .

It is a cyclic number.

It is not a de Polignac number, because 322301220421 - 2¹ = 322301220419 is a prime.

Together with 322301220419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 322301220392 and 322301220401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322301220401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161150610210 + 161150610211.

It is an arithmetic number, because the mean of its divisors is an integer number (161150610211).

Almost surely, 2^322301220421 is an apocalyptic number.

It is an amenable number.

322301220421 is a deficient number, since it is larger than the sum of its proper divisors (1).

322301220421 is an equidigital number, since it uses as much as digits as its factorization.

322301220421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 322301220421 its reverse (124022103223), we get a palindrome (446323323644).

The spelling of 322301220421 in words is "three hundred twenty-two billion, three hundred one million, two hundred twenty thousand, four hundred twenty-one".