22236230 has 8 divisors (see below), whose sum is σ = 40025232. Its totient is φ = 8894488.

The previous prime is 22236211. The next prime is 22236233. The reversal of 22236230 is 3263222.

It is a happy number.

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

It is a super-2 number, since 2×22236230² = 988899849225800, which contains 22 as substring.

It is a congruent 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, 1111802 + ... + 1111821.

It is an arithmetic number, because the mean of its divisors is an integer number (5003154).

Almost surely, 2^22236230 is an apocalyptic number.

22236230 is a deficient number, since it is larger than the sum of its proper divisors (17789002).

22236230 is a wasteful number, since it uses less digits than its factorization.

22236230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223630.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 22236230 is about 4715.5307230470. The cubic root of 22236230 is about 281.2032824461.

Adding to 22236230 its reverse (3263222), we get a palindrome (25499452).

The spelling of 22236230 in words is "twenty-two million, two hundred thirty-six thousand, two hundred thirty".