22232236 has 24 divisors (see below), whose sum is σ = 42104720. Its totient is φ = 10210752.

The previous prime is 22232233. The next prime is 22232257. The reversal of 22232236 is 63223222.

22232236 is nontrivially palindromic in base 15.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (22232233) by changing a digit.

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, 10975 + ... + 12841.

Almost surely, 2^22232236 is an apocalyptic number.

22232236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22232236 is a deficient number, since it is larger than the sum of its proper divisors (19872484).

22232236 is a wasteful number, since it uses less digits than its factorization.

22232236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2111 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 22232236 is about 4715.1072098098. The cubic root of 22232236 is about 281.1864451621.

Adding to 22232236 its reverse (63223222), we get a palindrome (85455458).

The spelling of 22232236 in words is "twenty-two million, two hundred thirty-two thousand, two hundred thirty-six".