255224222 has 8 divisors (see below), whose sum is σ = 417639672. Its totient is φ = 116011000.

The previous prime is 255224191. The next prime is 255224231. The reversal of 255224222 is 222422552.

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

It is a junction number, because it is equal to n+sod(n) for n = 255224191 and 255224200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5800529 + ... + 5800572.

It is an arithmetic number, because the mean of its divisors is an integer number (52204959).

Almost surely, 2^255224222 is an apocalyptic number.

255224222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255224222 is a deficient number, since it is larger than the sum of its proper divisors (162415450).

255224222 is a wasteful number, since it uses less digits than its factorization.

255224222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11601114.

The product of its digits is 6400, while the sum is 26.

The square root of 255224222 is about 15975.7385431785. The cubic root of 255224222 is about 634.3183807589.

Adding to 255224222 its reverse (222422552), we get a palindrome (477646774).

The spelling of 255224222 in words is "two hundred fifty-five million, two hundred twenty-four thousand, two hundred twenty-two".