255622272 has 128 divisors (see below), whose sum is σ = 706052160. Its totient is φ = 81887232.

The previous prime is 255622271. The next prime is 255622277. The reversal of 255622272 is 272226552.

255622272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (255622271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1865788 + ... + 1865924.

Almost surely, 2^255622272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255622272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353026080).

255622272 is an abundant number, since it is smaller than the sum of its proper divisors (450429888).

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

255622272 is a wasteful number, since it uses less digits than its factorization.

255622272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 298 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 255622272 is about 15988.1916425842. The cubic root of 255622272 is about 634.6479723640.

The spelling of 255622272 in words is "two hundred fifty-five million, six hundred twenty-two thousand, two hundred seventy-two".