222888 has 32 divisors (see below), whose sum is σ = 574560. Its totient is φ = 72000.

The previous prime is 222883. The next prime is 222913. The reversal of 222888 is 888222.

222888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222883) by changing a digit.

222888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763 + ... + 1013.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2²²²⁸⁸⁸ 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 222888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287280).

222888 is an abundant number, since it is smaller than the sum of its proper divisors (351672).

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

222888 is a wasteful number, since it uses less digits than its factorization.

222888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 293 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 222888 is about 472.1101566372. The cubic root of 222888 is about 60.6311160443.

It can be divided in two parts, 222 and 888, that multiplied together give a square (197136 = 444²).

The spelling of 222888 in words is "two hundred twenty-two thousand, eight hundred eighty-eight".