22352233 has 4 divisors (see below), whose sum is σ = 22475908. Its totient is φ = 22228560.

The previous prime is 22352221. The next prime is 22352249. The reversal of 22352233 is 33225322.

It is a happy number.

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 2039184 + 20313049 = 1428^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 22352233 - 2⁵ = 22352201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22352203) 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, 61566 + ... + 61927.

It is an arithmetic number, because the mean of its divisors is an integer number (5618977).

Almost surely, 2^22352233 is an apocalyptic number.

It is an amenable number.

22352233 is a deficient number, since it is larger than the sum of its proper divisors (123675).

22352233 is a wasteful number, since it uses less digits than its factorization.

22352233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123674.

The product of its digits is 2160, while the sum is 22.

The square root of 22352233 is about 4727.8148229388. The cubic root of 22352233 is about 281.6914326850.

Adding to 22352233 its reverse (33225322), we get a palindrome (55577555).

The spelling of 22352233 in words is "twenty-two million, three hundred fifty-two thousand, two hundred thirty-three".