263228 has 36 divisors (see below), whose sum is σ = 574560. Its totient is φ = 104832.

The previous prime is 263227. The next prime is 263239. The reversal of 263228 is 822362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3293 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2²⁶³²²⁸ is an apocalyptic number.

263228 is a gapful number since it is divisible by the number (28) 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 263228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287280).

263228 is an abundant number, since it is smaller than the sum of its proper divisors (311332).

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

263228 is a wasteful number, since it uses less digits than its factorization.

263228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 105 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 263228 is about 513.0575016506. The cubic root of 263228 is about 64.0880948293.

The spelling of 263228 in words is "two hundred sixty-three thousand, two hundred twenty-eight".