162238 has 4 divisors (see below), whose sum is σ = 243360. Its totient is φ = 81118.

The previous prime is 162229. The next prime is 162251. The reversal of 162238 is 832261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832261 = 431 ⋅1931.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

162238 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 as a sum of consecutive naturals, namely, 40558 + ... + 40561.

It is an arithmetic number, because the mean of its divisors is an integer number (60840).

2¹⁶²²³⁸ is an apocalyptic number.

162238 is a deficient number, since it is larger than the sum of its proper divisors (81122).

162238 is an equidigital number, since it uses as much as digits as its factorization.

162238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81121.

The product of its digits is 576, while the sum is 22.

The square root of 162238 is about 402.7877853163. The cubic root of 162238 is about 54.5403006915.

Adding to 162238 its reverse (832261), we get a palindrome (994499).

It can be divided in two parts, 162 and 238, that added together give a square (400 = 20²).

The spelling of 162238 in words is "one hundred sixty-two thousand, two hundred thirty-eight".