222223201 has 16 divisors (see below), whose sum is σ = 245624400. Its totient is φ = 200101888.

The previous prime is 222223193. The next prime is 222223207. The reversal of 222223201 is 102322222.

It can be written as a sum of positive squares in 8 ways, for example, as 7160976 + 215062225 = 2676^2 + 14665^2 .

It is a cyclic number.

It is not a de Polignac number, because 222223201 - 2³ = 222223193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222223207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53715 + ... + 57703.

It is an arithmetic number, because the mean of its divisors is an integer number (15351525).

Almost surely, 2^222223201 is an apocalyptic number.

It is an amenable number.

222223201 is a deficient number, since it is larger than the sum of its proper divisors (23401199).

222223201 is a wasteful number, since it uses less digits than its factorization.

222223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222223201 is about 14907.1526791671. The cubic root of 222223201 is about 605.7077535547.

Adding to 222223201 its reverse (102322222), we get a palindrome (324545423).

The spelling of 222223201 in words is "two hundred twenty-two million, two hundred twenty-three thousand, two hundred one".