22204201 has 6 divisors (see below), whose sum is σ = 22354430. Its totient is φ = 22054848.

The previous prime is 22204151. The next prime is 22204207. The reversal of 22204201 is 10240222.

It can be written as a sum of positive squares in 3 ways, for example, as 2178576 + 20025625 = 1476^2 + 4475^2 .

It is not a de Polignac number, because 22204201 - 2⁷ = 22204073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22204207) 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 5 ways as a sum of consecutive naturals, for example, 54085 + ... + 54493.

Almost surely, 2^22204201 is an apocalyptic number.

It is an amenable number.

22204201 is a deficient number, since it is larger than the sum of its proper divisors (150229).

22204201 is an frugal number, since it uses more digits than its factorization.

22204201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22204201 is about 4712.1333809645. The cubic root of 22204201 is about 281.0682027768.

Adding to 22204201 its reverse (10240222), we get a palindrome (32444423).

The spelling of 22204201 in words is "twenty-two million, two hundred four thousand, two hundred one".