322422241 has 2 divisors, whose sum is σ = 322422242. Its totient is φ = 322422240.

The previous prime is 322422223. The next prime is 322422253. The reversal of 322422241 is 142224223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218300625 + 104121616 = 14775^2 + 10204^2 .

It is an emirp because it is prime and its reverse (142224223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322422241 - 2²³ = 314033633 is a prime.

It is a super-2 number, since 2×322422241² = 207912202982924162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (322422281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161211120 + 161211121.

It is an arithmetic number, because the mean of its divisors is an integer number (161211121).

Almost surely, 2^322422241 is an apocalyptic number.

It is an amenable number.

322422241 is a deficient number, since it is larger than the sum of its proper divisors (1).

322422241 is an equidigital number, since it uses as much as digits as its factorization.

322422241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 22.

The square root of 322422241 is about 17956.1198759643. The cubic root of 322422241 is about 685.7118647877.

Adding to 322422241 its reverse (142224223), we get a palindrome (464646464).

The spelling of 322422241 in words is "three hundred twenty-two million, four hundred twenty-two thousand, two hundred forty-one".