233222225 has 24 divisors (see below), whose sum is σ = 299504640. Its totient is φ = 180040320.

The previous prime is 233222203. The next prime is 233222233. The reversal of 233222225 is 522222332.

233222225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 233222225 - 2⁶ = 233222161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233222225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84416 + ... + 87134.

It is an arithmetic number, because the mean of its divisors is an integer number (12479360).

Almost surely, 2^233222225 is an apocalyptic number.

233222225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233222225 is a deficient number, since it is larger than the sum of its proper divisors (66282415).

233222225 is a wasteful number, since it uses less digits than its factorization.

233222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2844 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 233222225 is about 15271.6150095529. The cubic root of 233222225 is about 615.5405167206.

Adding to 233222225 its reverse (522222332), we get a palindrome (755444557).

The spelling of 233222225 in words is "two hundred thirty-three million, two hundred twenty-two thousand, two hundred twenty-five".