225238979338 has 8 divisors (see below), whose sum is σ = 337883683140. Its totient is φ = 112611084960.

The previous prime is 225238979293. The next prime is 225238979419. The reversal of 225238979338 is 833979832522.

It can be written as a sum of positive squares in 2 ways, for example, as 223839695689 + 1399283649 = 473117^2 + 37407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4168803 + ... + 4222486.

Almost surely, 2^225238979338 is an apocalyptic number.

225238979338 is a deficient number, since it is larger than the sum of its proper divisors (112644703802).

225238979338 is a wasteful number, since it uses less digits than its factorization.

225238979338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404712.

The product of its digits is 39191040, while the sum is 61.

The spelling of 225238979338 in words is "two hundred twenty-five billion, two hundred thirty-eight million, nine hundred seventy-nine thousand, three hundred thirty-eight".