222242201 has 8 divisors (see below), whose sum is σ = 224695944. Its totient is φ = 219802240.

The previous prime is 222242147. The next prime is 222242213. The reversal of 222242201 is 102242222.

It can be written as a sum of positive squares in 4 ways, for example, as 194574601 + 27667600 = 13949^2 + 5260^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 222242201 - 2²⁶ = 155133337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222242201.

It is not an unprimeable number, because it can be changed into a prime (222242231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30821 + ... + 37341.

It is an arithmetic number, because the mean of its divisors is an integer number (28086993).

Almost surely, 2^222242201 is an apocalyptic number.

It is an amenable number.

222242201 is a deficient number, since it is larger than the sum of its proper divisors (2453743).

222242201 is a wasteful number, since it uses less digits than its factorization.

222242201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222242201 is about 14907.7899435161. The cubic root of 222242201 is about 605.7250156577.

Adding to 222242201 its reverse (102242222), we get a palindrome (324484423).

The spelling of 222242201 in words is "two hundred twenty-two million, two hundred forty-two thousand, two hundred one".