222112201 has 2 divisors, whose sum is σ = 222112202. Its totient is φ = 222112200.

The previous prime is 222112141. The next prime is 222112217. The reversal of 222112201 is 102211222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216060601 + 6051600 = 14699^2 + 2460^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112201 - 2⁹ = 222111689 is a prime.

It is not a weakly prime, because it can be changed into another prime (222112291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056100 + 111056101.

It is an arithmetic number, because the mean of its divisors is an integer number (111056101).

Almost surely, 2^222112201 is an apocalyptic number.

It is an amenable number.

222112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112201 is an equidigital number, since it uses as much as digits as its factorization.

222112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222112201 is about 14903.4291691543. The cubic root of 222112201 is about 605.6068868618.

Adding to 222112201 its reverse (102211222), we get a palindrome (324323423).

The spelling of 222112201 in words is "two hundred twenty-two million, one hundred twelve thousand, two hundred one".