222422201 has 4 divisors (see below), whose sum is σ = 222812304. Its totient is φ = 222032100.

The previous prime is 222422177. The next prime is 222422267. The reversal of 222422201 is 102224222.

222422201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222422201 - 2²² = 218227897 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 222422201.

It is not an unprimeable number, because it can be changed into a prime (222422701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194195 + ... + 195336.

It is an arithmetic number, because the mean of its divisors is an integer number (55703076).

Almost surely, 2^222422201 is an apocalyptic number.

It is an amenable number.

222422201 is a deficient number, since it is larger than the sum of its proper divisors (390103).

222422201 is an equidigital number, since it uses as much as digits as its factorization.

222422201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390102.

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

The square root of 222422201 is about 14913.8258337691. The cubic root of 222422201 is about 605.8885025802. Note that the first 3 decimals are identical.

Adding to 222422201 its reverse (102224222), we get a palindrome (324646423).

The spelling of 222422201 in words is "two hundred twenty-two million, four hundred twenty-two thousand, two hundred one".