338722 has 4 divisors (see below), whose sum is σ = 508086. Its totient is φ = 169360.

The previous prime is 338717. The next prime is 338731. The reversal of 338722 is 227833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227833 = 73 ⋅3121.

It can be written as a sum of positive squares in only one way, i.e., 335241 + 3481 = 579^2 + 59^2 .

It is a super-2 number, since 2×338722² = 229465186568, which contains 22 as substring.

It is an unprimeable number.

338722 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, 84679 + ... + 84682.

2³³⁸⁷²² is an apocalyptic number.

338722 is a deficient number, since it is larger than the sum of its proper divisors (169364).

338722 is a wasteful number, since it uses less digits than its factorization.

338722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169363.

The product of its digits is 2016, while the sum is 25.

The square root of 338722 is about 581.9982817844. The cubic root of 338722 is about 69.7077612398.

Subtracting from 338722 its reverse (227833), we obtain a square (110889 = 333²).

It can be divided in two parts, 338 and 722, that multiplied together give a square (244036 = 494²).

The spelling of 338722 in words is "three hundred thirty-eight thousand, seven hundred twenty-two".