22044201 has 4 divisors (see below), whose sum is σ = 29392272. Its totient is φ = 14696132.

The previous prime is 22044157. The next prime is 22044203. The reversal of 22044201 is 10244022.

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 22044201 - 2⁶ = 22044137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22044203) 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, 3674031 + ... + 3674036.

It is an arithmetic number, because the mean of its divisors is an integer number (7348068).

Almost surely, 2^22044201 is an apocalyptic number.

It is an amenable number.

22044201 is a deficient number, since it is larger than the sum of its proper divisors (7348071).

22044201 is an equidigital number, since it uses as much as digits as its factorization.

22044201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348070.

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

The square root of 22044201 is about 4695.1252379463. The cubic root of 22044201 is about 280.3914635005.

Adding to 22044201 its reverse (10244022), we get a palindrome (32288223).

The spelling of 22044201 in words is "twenty-two million, forty-four thousand, two hundred one".