239222 has 4 divisors (see below), whose sum is σ = 358836. Its totient is φ = 119610.

The previous prime is 239201. The next prime is 239231. The reversal of 239222 is 222932.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 239194 and 239203.

It is a congruent number.

It is an unprimeable number.

239222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59804 + ... + 59807.

It is an arithmetic number, because the mean of its divisors is an integer number (89709).

2²³⁹²²² is an apocalyptic number.

239222 is a deficient number, since it is larger than the sum of its proper divisors (119614).

239222 is a wasteful number, since it uses less digits than its factorization.

239222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119613.

The product of its digits is 432, while the sum is 20.

The square root of 239222 is about 489.1032610809. The cubic root of 239222 is about 62.0774266811.

Subtracting from 239222 its reverse (222932), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 239222 in words is "two hundred thirty-nine thousand, two hundred twenty-two".