255320224 has 12 divisors (see below), whose sum is σ = 502661754. Its totient is φ = 127660096.

The previous prime is 255320207. The next prime is 255320231. The reversal of 255320224 is 422023552.

It is a happy number.

255320224 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 only one way, i.e., 235070224 + 20250000 = 15332^2 + 4500^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3989347 + ... + 3989410.

Almost surely, 2^255320224 is an apocalyptic number.

It is an amenable number.

255320224 is a deficient number, since it is larger than the sum of its proper divisors (247341530).

255320224 is an equidigital number, since it uses as much as digits as its factorization.

255320224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7978767 (or 7978759 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 255320224 is about 15978.7428792130. The cubic root of 255320224 is about 634.3979032523.

Adding to 255320224 its reverse (422023552), we get a palindrome (677343776).

The spelling of 255320224 in words is "two hundred fifty-five million, three hundred twenty thousand, two hundred twenty-four".