255224502 has 96 divisors (see below), whose sum is σ = 638977248. Its totient is φ = 72926208.

The previous prime is 255224477. The next prime is 255224509. The reversal of 255224502 is 205422552.

It is a super-2 number, since 2×255224502² = 130279092842296008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255224509) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 329788 + ... + 330560.

It is an arithmetic number, because the mean of its divisors is an integer number (6656013).

Almost surely, 2^255224502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255224502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319488624).

255224502 is an abundant number, since it is smaller than the sum of its proper divisors (383752746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255224502 is a wasteful number, since it uses less digits than its factorization.

255224502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 255224502 is about 15975.7473064643. The cubic root of 255224502 is about 634.3186127237.

The spelling of 255224502 in words is "two hundred fifty-five million, two hundred twenty-four thousand, five hundred two".