223822 has 16 divisors (see below), whose sum is σ = 369360. Its totient is φ = 101248.

The previous prime is 223781. The next prime is 223823. The reversal of 223822 is 228322.

It is a self number, because there is not a number n which added to its sum of digits gives 223822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (23085).

2²²³⁸²² is an apocalyptic number.

223822 is a deficient number, since it is larger than the sum of its proper divisors (145538).

223822 is a wasteful number, since it uses less digits than its factorization.

223822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its digits is 384, while the sum is 19.

The square root of 223822 is about 473.0982984539. The cubic root of 223822 is about 60.7156884830.

It can be divided in two parts, 22 and 3822, that added together give a square (3844 = 62²).

The spelling of 223822 in words is "two hundred twenty-three thousand, eight hundred twenty-two".