222226201 has 4 divisors (see below), whose sum is σ = 222331572. Its totient is φ = 222120832.

The previous prime is 222226177. The next prime is 222226219. The reversal of 222226201 is 102622222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 212139225 = 3176^2 + 14565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222226201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222226001) 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 3 ways as a sum of consecutive naturals, for example, 49456 + ... + 53761.

It is an arithmetic number, because the mean of its divisors is an integer number (55582893).

Almost surely, 2^222226201 is an apocalyptic number.

It is an amenable number.

222226201 is a deficient number, since it is larger than the sum of its proper divisors (105371).

222226201 is a wasteful number, since it uses less digits than its factorization.

222226201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105370.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 222226201 is about 14907.2533016649. The cubic root of 222226201 is about 605.7104792153.

Adding to 222226201 its reverse (102622222), we get a palindrome (324848423).

The spelling of 222226201 in words is "two hundred twenty-two million, two hundred twenty-six thousand, two hundred one".