238225979 has 4 divisors (see below), whose sum is σ = 245910720. Its totient is φ = 230541240.

The previous prime is 238225961. The next prime is 238225987. The reversal of 238225979 is 979522832.

238225979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 238225979 - 2¹⁶ = 238160443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238225279) 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, 3842324 + ... + 3842385.

It is an arithmetic number, because the mean of its divisors is an integer number (61477680).

Almost surely, 2^238225979 is an apocalyptic number.

238225979 is a deficient number, since it is larger than the sum of its proper divisors (7684741).

238225979 is an equidigital number, since it uses as much as digits as its factorization.

238225979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684740.

The product of its digits is 544320, while the sum is 47.

The square root of 238225979 is about 15434.5709043044. The cubic root of 238225979 is about 619.9115196316.

The spelling of 238225979 in words is "two hundred thirty-eight million, two hundred twenty-five thousand, nine hundred seventy-nine".