243922 has 24 divisors (see below), whose sum is σ = 451440. Its totient is φ = 98280.

The previous prime is 243917. The next prime is 243931. The reversal of 243922 is 229342.

It is a junction number, because it is equal to n+sod(n) for n = 243893 and 243902.

It is an unprimeable number.

243922 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 11 ways as a sum of consecutive naturals, for example, 1797 + ... + 1927.

It is an arithmetic number, because the mean of its divisors is an integer number (18810).

2²⁴³⁹²² is an apocalyptic number.

243922 is a deficient number, since it is larger than the sum of its proper divisors (207518).

243922 is a wasteful number, since it uses less digits than its factorization.

243922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 159 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 243922 is about 493.8846019062. The cubic root of 243922 is about 62.4813384285.

It can be divided in two parts, 24392 and 2, that multiplied together give a palindrome (48784).

The spelling of 243922 in words is "two hundred forty-three thousand, nine hundred twenty-two".