22444234 has 8 divisors (see below), whose sum is σ = 33773508. Its totient is φ = 11186400.

The previous prime is 22444229. The next prime is 22444241. The reversal of 22444234 is 43244422.

It can be written as a sum of positive squares in 2 ways, for example, as 18464209 + 3980025 = 4297^2 + 1995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22444199 and 22444208.

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 3 ways as a sum of consecutive naturals, for example, 17067 + ... + 18334.

Almost surely, 2^22444234 is an apocalyptic number.

22444234 is a deficient number, since it is larger than the sum of its proper divisors (11329274).

22444234 is a wasteful number, since it uses less digits than its factorization.

22444234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35720.

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

The square root of 22444234 is about 4737.5345909027. The cubic root of 22444234 is about 282.0773809745.

Adding to 22444234 its reverse (43244422), we get a palindrome (65688656).

The spelling of 22444234 in words is "twenty-two million, four hundred forty-four thousand, two hundred thirty-four".