238222843 has 4 divisors (see below), whose sum is σ = 238358680. Its totient is φ = 238087008.

The previous prime is 238222823. The next prime is 238222867. The reversal of 238222843 is 348222832.

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

It is a cyclic number.

It is not a de Polignac number, because 238222843 - 2⁹ = 238222331 is a prime.

It is a super-3 number, since 3×238222843³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238222799 and 238222808.

It is not an unprimeable number, because it can be changed into a prime (238222823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65253 + ... + 68806.

It is an arithmetic number, because the mean of its divisors is an integer number (59589670).

Almost surely, 2^238222843 is an apocalyptic number.

238222843 is a deficient number, since it is larger than the sum of its proper divisors (135837).

238222843 is a wasteful number, since it uses less digits than its factorization.

238222843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135836.

The product of its digits is 36864, while the sum is 34.

The square root of 238222843 is about 15434.4693138443. The cubic root of 238222843 is about 619.9087994538.

The spelling of 238222843 in words is "two hundred thirty-eight million, two hundred twenty-two thousand, eight hundred forty-three".