22234444 has 12 divisors (see below), whose sum is σ = 38992968. Its totient is φ = 11093600.

The previous prime is 22234417. The next prime is 22234451. The reversal of 22234444 is 44443222.

It is a plaindrome in base 10.

It is an unprimeable number.

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, 3697 + ... + 7624.

It is an arithmetic number, because the mean of its divisors is an integer number (3249414).

Almost surely, 2^22234444 is an apocalyptic number.

It is an amenable number.

22234444 is a deficient number, since it is larger than the sum of its proper divisors (16758524).

22234444 is a wasteful number, since it uses less digits than its factorization.

22234444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11816 (or 11814 counting only the distinct ones).

The product of its digits is 6144, while the sum is 25.

The square root of 22234444 is about 4715.3413450142. The cubic root of 22234444 is about 281.1957535543.

Adding to 22234444 its reverse (44443222), we get a palindrome (66677666).

The spelling of 22234444 in words is "twenty-two million, two hundred thirty-four thousand, four hundred forty-four".