222488 has 32 divisors (see below), whose sum is σ = 496800. Its totient is φ = 91392.

The previous prime is 222461. The next prime is 222493. The reversal of 222488 is 884222.

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 congruent number.

It is an unprimeable number.

222488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556 + ... + 1692.

It is an arithmetic number, because the mean of its divisors is an integer number (15525).

2²²²⁴⁸⁸ is an apocalyptic number.

222488 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 222488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248400).

222488 is an abundant number, since it is smaller than the sum of its proper divisors (274312).

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

222488 is a wasteful number, since it uses less digits than its factorization.

222488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 175 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 222488 is about 471.6863364568. The cubic root of 222488 is about 60.5948243210.

The spelling of 222488 in words is "two hundred twenty-two thousand, four hundred eighty-eight".