22213234 has 16 divisors (see below), whose sum is σ = 34172928. Its totient is φ = 10824352.

The previous prime is 22213183. The next prime is 22213259. The reversal of 22213234 is 43231222.

It is an unprimeable number.

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, 35694 + ... + 36310.

It is an arithmetic number, because the mean of its divisors is an integer number (2135808).

Almost surely, 2^22213234 is an apocalyptic number.

22213234 is a deficient number, since it is larger than the sum of its proper divisors (11959694).

22213234 is a wasteful number, since it uses less digits than its factorization.

22213234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its digits is 576, while the sum is 19.

The square root of 22213234 is about 4713.0917665583. The cubic root of 22213234 is about 281.1063118545.

Adding to 22213234 its reverse (43231222), we get a palindrome (65444456).

It can be divided in two parts, 222 and 13234, that added together give a square (13456 = 116²).

The spelling of 22213234 in words is "twenty-two million, two hundred thirteen thousand, two hundred thirty-four".