22212230 has 16 divisors (see below), whose sum is σ = 40042080. Its totient is φ = 8871552.

The previous prime is 22212199. The next prime is 22212233. The reversal of 22212230 is 3221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212233) 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 7 ways as a sum of consecutive naturals, for example, 7982 + ... + 10398.

It is an arithmetic number, because the mean of its divisors is an integer number (2502630).

Almost surely, 2^22212230 is an apocalyptic number.

22212230 is a deficient number, since it is larger than the sum of its proper divisors (17829850).

22212230 is a wasteful number, since it uses less digits than its factorization.

22212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343.

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

The square root of 22212230 is about 4712.9852535309. The cubic root of 22212230 is about 281.1020766167.

Adding to 22212230 its reverse (3221222), we get a palindrome (25433452).

The spelling of 22212230 in words is "twenty-two million, two hundred twelve thousand, two hundred thirty".