222442312201 has 2 divisors, whose sum is σ = 222442312202. Its totient is φ = 222442312200.

The previous prime is 222442312139. The next prime is 222442312207. The reversal of 222442312201 is 102213244222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216466867600 + 5975444601 = 465260^2 + 77301^2 .

It is a cyclic number.

It is not a de Polignac number, because 222442312201 - 2²⁷ = 222308094473 is a prime.

It is not a weakly prime, because it can be changed into another prime (222442312207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111221156100 + 111221156101.

It is an arithmetic number, because the mean of its divisors is an integer number (111221156101).

Almost surely, 2^222442312201 is an apocalyptic number.

It is an amenable number.

222442312201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222442312201 is an equidigital number, since it uses as much as digits as its factorization.

222442312201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 222442312201 its reverse (102213244222), we get a palindrome (324655556423).

The spelling of 222442312201 in words is "two hundred twenty-two billion, four hundred forty-two million, three hundred twelve thousand, two hundred one".