22230233 has 4 divisors (see below), whose sum is σ = 22253028. Its totient is φ = 22207440.

The previous prime is 22230227. The next prime is 22230251. The reversal of 22230233 is 33203222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7546009 + 14684224 = 2747^2 + 3832^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230233 - 2¹² = 22226137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22230293) 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 3 ways as a sum of consecutive naturals, for example, 9866 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (5563257).

Almost surely, 2^22230233 is an apocalyptic number.

It is an amenable number.

22230233 is a deficient number, since it is larger than the sum of its proper divisors (22795).

22230233 is a wasteful number, since it uses less digits than its factorization.

22230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22794.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 22230233 is about 4714.8948026441. The cubic root of 22230233 is about 281.1780004669.

Adding to 22230233 its reverse (33203222), we get a palindrome (55433455).

The spelling of 22230233 in words is "twenty-two million, two hundred thirty thousand, two hundred thirty-three".