222001201 has 2 divisors, whose sum is σ = 222001202. Its totient is φ = 222001200.

The previous prime is 222001159. The next prime is 222001223. The reversal of 222001201 is 102100222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134560000 + 87441201 = 11600^2 + 9351^2 .

It is a cyclic number.

It is not a de Polignac number, because 222001201 - 2²⁷ = 87783473 is a prime.

It is not a weakly prime, because it can be changed into another prime (222001291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000600 + 111000601.

It is an arithmetic number, because the mean of its divisors is an integer number (111000601).

Almost surely, 2^222001201 is an apocalyptic number.

It is an amenable number.

222001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001201 is an equidigital number, since it uses as much as digits as its factorization.

222001201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 222001201 is about 14899.7047286179. The cubic root of 222001201 is about 605.5059865581.

Adding to 222001201 its reverse (102100222), we get a palindrome (324101423).

The spelling of 222001201 in words is "two hundred twenty-two million, one thousand, two hundred one".