2222201 has 4 divisors (see below), whose sum is σ = 2225652. Its totient is φ = 2218752.

The previous prime is 2222177. The next prime is 2222203. The reversal of 2222201 is 1022222.

2222201 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 an emirpimes, since its reverse is a distinct semiprime: 1022222 = 2 ⋅511111.

It can be written as a sum of positive squares in 2 ways, for example, as 1752976 + 469225 = 1324^2 + 685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440 + ... + 2153.

It is an arithmetic number, because the mean of its divisors is an integer number (556413).

2^2222201 is an apocalyptic number.

It is an amenable number.

2222201 is a deficient number, since it is larger than the sum of its proper divisors (3451).

2222201 is an equidigital number, since it uses as much as digits as its factorization.

2222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2222201 is about 1490.7048668331. The cubic root of 2222201 is about 130.4951726267.

Adding to 2222201 its reverse (1022222), we get a palindrome (3244423).

The spelling of 2222201 in words is "two million, two hundred twenty-two thousand, two hundred one".