22242201 has 4 divisors (see below), whose sum is σ = 29656272. Its totient is φ = 14828132.

The previous prime is 22242193. The next prime is 22242203. The reversal of 22242201 is 10224222.

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 22242201 - 2³ = 22242193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22242203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3707031 + ... + 3707036.

It is an arithmetic number, because the mean of its divisors is an integer number (7414068).

Almost surely, 2^22242201 is an apocalyptic number.

It is an amenable number.

22242201 is a deficient number, since it is larger than the sum of its proper divisors (7414071).

22242201 is an equidigital number, since it uses as much as digits as its factorization.

22242201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414070.

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

The square root of 22242201 is about 4716.1638012266. The cubic root of 22242201 is about 281.2284502995.

Adding to 22242201 its reverse (10224222), we get a palindrome (32466423).

The spelling of 22242201 in words is "twenty-two million, two hundred forty-two thousand, two hundred one".