255226117 has 8 divisors (see below), whose sum is σ = 270484056. Its totient is φ = 239995392.

The previous prime is 255226099. The next prime is 255226133. The reversal of 255226117 is 711622552.

255226117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 217156 + 255008961 = 466^2 + 15969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-255226117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255226157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14433 + ... + 26809.

It is an arithmetic number, because the mean of its divisors is an integer number (33810507).

Almost surely, 2^255226117 is an apocalyptic number.

It is an amenable number.

255226117 is a deficient number, since it is larger than the sum of its proper divisors (15257939).

255226117 is a wasteful number, since it uses less digits than its factorization.

255226117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13607.

The product of its digits is 8400, while the sum is 31.

The square root of 255226117 is about 15975.7978517506. The cubic root of 255226117 is about 634.3199506600.

Adding to 255226117 its reverse (711622552), we get a palindrome (966848669).

The spelling of 255226117 in words is "two hundred fifty-five million, two hundred twenty-six thousand, one hundred seventeen".