22236234 has 8 divisors (see below), whose sum is σ = 44472480. Its totient is φ = 7412076.

The previous prime is 22236233. The next prime is 22236257. The reversal of 22236234 is 43263222.

It is a happy number.

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

22236234 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22236233) 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 3 ways as a sum of consecutive naturals, for example, 1853014 + ... + 1853025.

It is an arithmetic number, because the mean of its divisors is an integer number (5559060).

Almost surely, 2^22236234 is an apocalyptic number.

22236234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22236234 is a wasteful number, since it uses less digits than its factorization.

22236234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706044.

The product of its digits is 3456, while the sum is 24.

The square root of 22236234 is about 4715.5311471774. The cubic root of 22236234 is about 281.2032993077.

Adding to 22236234 its reverse (43263222), we get a palindrome (65499456).

The spelling of 22236234 in words is "twenty-two million, two hundred thirty-six thousand, two hundred thirty-four".