222394838 has 8 divisors (see below), whose sum is σ = 335269200. Its totient is φ = 110638440.

The previous prime is 222394831. The next prime is 222394871. The reversal of 222394838 is 838493222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222394795 and 222394804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222394831) 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, 278993 + ... + 279788.

It is an arithmetic number, because the mean of its divisors is an integer number (41908650).

Almost surely, 2^222394838 is an apocalyptic number.

222394838 is a deficient number, since it is larger than the sum of its proper divisors (112874362).

222394838 is a wasteful number, since it uses less digits than its factorization.

222394838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558982.

The product of its digits is 165888, while the sum is 41.

The square root of 222394838 is about 14912.9084353120. The cubic root of 222394838 is about 605.8636555296.

The spelling of 222394838 in words is "two hundred twenty-two million, three hundred ninety-four thousand, eight hundred thirty-eight".