220238 has 4 divisors (see below), whose sum is σ = 330360. Its totient is φ = 110118.

The previous prime is 220217. The next prime is 220243. The reversal of 220238 is 832022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832022 = 2 ⋅416011.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220238.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55058 + ... + 55061.

It is an arithmetic number, because the mean of its divisors is an integer number (82590).

2²²⁰²³⁸ is an apocalyptic number.

220238 is a deficient number, since it is larger than the sum of its proper divisors (110122).

220238 is a wasteful number, since it uses less digits than its factorization.

220238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110121.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 220238 is about 469.2952162552. The cubic root of 220238 is about 60.3898686280.

The spelling of 220238 in words is "two hundred twenty thousand, two hundred thirty-eight".