233444225 has 12 divisors (see below), whose sum is σ = 330824064. Its totient is φ = 160075920.

The previous prime is 233444213. The next prime is 233444261. The reversal of 233444225 is 522444332.

It is a happy number.

It is not a de Polignac number, because 233444225 - 2¹⁴ = 233427841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 666809 + ... + 667158.

It is an arithmetic number, because the mean of its divisors is an integer number (27568672).

Almost surely, 2^233444225 is an apocalyptic number.

233444225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233444225 is a deficient number, since it is larger than the sum of its proper divisors (97379839).

233444225 is a wasteful number, since it uses less digits than its factorization.

233444225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333984 (or 1333979 counting only the distinct ones).

The product of its digits is 23040, while the sum is 29.

The square root of 233444225 is about 15278.8816671902. The cubic root of 233444225 is about 615.7357620629.

Adding to 233444225 its reverse (522444332), we get a palindrome (755888557).

The spelling of 233444225 in words is "two hundred thirty-three million, four hundred forty-four thousand, two hundred twenty-five".