222222201 has 8 divisors (see below), whose sum is σ = 299065824. Its totient is φ = 146763360.

The previous prime is 222222193. The next prime is 222222227. The reversal of 222222201 is 102222222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222222201 - 2³ = 222222193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345820 + ... + 346461.

It is an arithmetic number, because the mean of its divisors is an integer number (37383228).

Almost surely, 2^222222201 is an apocalyptic number.

It is an amenable number.

222222201 is a deficient number, since it is larger than the sum of its proper divisors (76843623).

222222201 is a wasteful number, since it uses less digits than its factorization.

222222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692391.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 222222201 is about 14907.1191381836. The cubic root of 222222201 is about 605.7068449957.

Adding to 222222201 its reverse (102222222), we get a palindrome (324444423).

The spelling of 222222201 in words is "two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".