255155224 has 16 divisors (see below), whose sum is σ = 494913600. Its totient is φ = 123178272.

The previous prime is 255155183. The next prime is 255155233. The reversal of 255155224 is 422551552.

It is a happy number.

255155224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549672 + ... + 550135.

It is an arithmetic number, because the mean of its divisors is an integer number (30932100).

Almost surely, 2^255155224 is an apocalyptic number.

It is an amenable number.

255155224 is a deficient number, since it is larger than the sum of its proper divisors (239758376).

255155224 is a wasteful number, since it uses less digits than its factorization.

255155224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099842 (or 1099838 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 255155224 is about 15973.5789352293. The cubic root of 255155224 is about 634.2612144969.

It can be divided in two parts, 2551 and 55224, that added together give a palindrome (57775).

The spelling of 255155224 in words is "two hundred fifty-five million, one hundred fifty-five thousand, two hundred twenty-four".