22604233 has 2 divisors, whose sum is σ = 22604234. Its totient is φ = 22604232.

The previous prime is 22604209. The next prime is 22604251. The reversal of 22604233 is 33240622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 2917264 = 4437^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 22604233 - 2¹⁷ = 22473161 is a prime.

It is not a weakly prime, because it can be changed into another prime (22604273) 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 as a sum of consecutive naturals, namely, 11302116 + 11302117.

It is an arithmetic number, because the mean of its divisors is an integer number (11302117).

Almost surely, 2^22604233 is an apocalyptic number.

It is an amenable number.

22604233 is a deficient number, since it is larger than the sum of its proper divisors (1).

22604233 is an equidigital number, since it uses as much as digits as its factorization.

22604233 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22604233 is about 4754.3909178779. The cubic root of 22604233 is about 282.7460794722.

Adding to 22604233 its reverse (33240622), we get a palindrome (55844855).

The spelling of 22604233 in words is "twenty-two million, six hundred four thousand, two hundred thirty-three".