255242223 has 12 divisors (see below), whose sum is σ = 375640200. Its totient is φ = 166950576.

The previous prime is 255242213. The next prime is 255242249. The reversal of 255242223 is 322242552.

It is not a de Polignac number, because 255242223 - 2⁵ = 255242191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255242213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267073 + ... + 268026.

It is an arithmetic number, because the mean of its divisors is an integer number (31303350).

Almost surely, 2^255242223 is an apocalyptic number.

255242223 is a deficient number, since it is larger than the sum of its proper divisors (120397977).

255242223 is a wasteful number, since it uses less digits than its factorization.

255242223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535158 (or 535155 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 255242223 is about 15976.3019187796. The cubic root of 255242223 is about 634.3332932630. Note that the first 3 decimals are identical.

Adding to 255242223 its reverse (322242552), we get a palindrome (577484775).

The spelling of 255242223 in words is "two hundred fifty-five million, two hundred forty-two thousand, two hundred twenty-three".