22233666 has 64 divisors (see below), whose sum is σ = 56060928. Its totient is φ = 5721408.

The previous prime is 22233643. The next prime is 22233677. The reversal of 22233666 is 66633222.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23005 + ... + 23951.

It is an arithmetic number, because the mean of its divisors is an integer number (875952).

Almost surely, 2^22233666 is an apocalyptic number.

22233666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22233666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28030464).

22233666 is an abundant number, since it is smaller than the sum of its proper divisors (33827262).

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

22233666 is a wasteful number, since it uses less digits than its factorization.

22233666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its digits is 15552, while the sum is 30.

The square root of 22233666 is about 4715.2588476138. The cubic root of 22233666 is about 281.1924737654.

Adding to 22233666 its reverse (66633222), we get a palindrome (88866888).

The spelling of 22233666 in words is "twenty-two million, two hundred thirty-three thousand, six hundred sixty-six".