255322200 has 384 divisors, whose sum is σ = 977080320. Its totient is φ = 53913600.

The previous prime is 255322187. The next prime is 255322217. The reversal of 255322200 is 2223552.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4817374 + ... + 4817426.

It is an arithmetic number, because the mean of its divisors is an integer number (2544480).

Almost surely, 2^255322200 is an apocalyptic number.

255322200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255322200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488540160).

255322200 is an abundant number, since it is smaller than the sum of its proper divisors (721758120).

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

255322200 is a wasteful number, since it uses less digits than its factorization.

255322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 255322200 is about 15978.8047112417. The cubic root of 255322200 is about 634.3995398468.

Adding to 255322200 its reverse (2223552), we get a palindrome (257545752).

It can be divided in two parts, 2553 and 22200, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 255322200 in words is "two hundred fifty-five million, three hundred twenty-two thousand, two hundred".