222444323401 has 2 divisors, whose sum is σ = 222444323402. Its totient is φ = 222444323400.

The previous prime is 222444323389. The next prime is 222444323459. The reversal of 222444323401 is 104323444222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193203323401 + 29241000000 = 439549^2 + 171000^2 .

It is a cyclic number.

It is not a de Polignac number, because 222444323401 - 2⁷ = 222444323273 is a prime.

It is not a weakly prime, because it can be changed into another prime (222444323201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111222161700 + 111222161701.

It is an arithmetic number, because the mean of its divisors is an integer number (111222161701).

Almost surely, 2^222444323401 is an apocalyptic number.

It is an amenable number.

222444323401 is a deficient number, since it is larger than the sum of its proper divisors (1).

222444323401 is an equidigital number, since it uses as much as digits as its factorization.

222444323401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 222444323401 its reverse (104323444222), we get a palindrome (326767767623).

The spelling of 222444323401 in words is "two hundred twenty-two billion, four hundred forty-four million, three hundred twenty-three thousand, four hundred one".