322222013 has 2 divisors, whose sum is σ = 322222014. Its totient is φ = 322222012.

The previous prime is 322222009. The next prime is 322222027. The reversal of 322222013 is 310222223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217916644 + 104305369 = 14762^2 + 10213^2 .

It is a cyclic number.

It is not a de Polignac number, because 322222013 - 2² = 322222009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322221982 and 322222000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322222093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161111006 + 161111007.

It is an arithmetic number, because the mean of its divisors is an integer number (161111007).

Almost surely, 2^322222013 is an apocalyptic number.

It is an amenable number.

322222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

322222013 is an equidigital number, since it uses as much as digits as its factorization.

322222013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 322222013 is about 17950.5435293754. The cubic root of 322222013 is about 685.5698903527.

Adding to 322222013 its reverse (310222223), we get a palindrome (632444236).

The spelling of 322222013 in words is "three hundred twenty-two million, two hundred twenty-two thousand, thirteen".