22003201 has 4 divisors (see below), whose sum is σ = 24003504. Its totient is φ = 20002900.

The previous prime is 22003181. The next prime is 22003213. The reversal of 22003201 is 10230022.

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 22003201 - 2⁷ = 22003073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000201) 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, 1000135 + ... + 1000156.

It is an arithmetic number, because the mean of its divisors is an integer number (6000876).

Almost surely, 2^22003201 is an apocalyptic number.

It is an amenable number.

22003201 is a deficient number, since it is larger than the sum of its proper divisors (2000303).

22003201 is a wasteful number, since it uses less digits than its factorization.

22003201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000302.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22003201 is about 4690.7569751587. The cubic root of 22003201 is about 280.2175222972.

Adding to 22003201 its reverse (10230022), we get a palindrome (32233223).

The spelling of 22003201 in words is "twenty-two million, three thousand, two hundred one".