22223201 has 24 divisors (see below), whose sum is σ = 30039744. Its totient is φ = 15877440.

The previous prime is 22223197. The next prime is 22223207. The reversal of 22223201 is 10232222.

It is not a de Polignac number, because 22223201 - 2² = 22223197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22223207) 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 23 ways as a sum of consecutive naturals, for example, 149075 + ... + 149223.

It is an arithmetic number, because the mean of its divisors is an integer number (1251656).

Almost surely, 2^22223201 is an apocalyptic number.

It is an amenable number.

22223201 is a deficient number, since it is larger than the sum of its proper divisors (7816543).

22223201 is a wasteful number, since it uses less digits than its factorization.

22223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22223201 is about 4714.1490218278. The cubic root of 22223201 is about 281.1483493724.

Adding to 22223201 its reverse (10232222), we get a palindrome (32455423).

The spelling of 22223201 in words is "twenty-two million, two hundred twenty-three thousand, two hundred one".