223431382 has 16 divisors (see below), whose sum is σ = 346733280. Its totient is φ = 107898048.

The previous prime is 223431379. The next prime is 223431409. The reversal of 223431382 is 283134322.

223431382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 223431382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882 + ... + 21157.

It is an arithmetic number, because the mean of its divisors is an integer number (21670830).

Almost surely, 2^223431382 is an apocalyptic number.

223431382 is a deficient number, since it is larger than the sum of its proper divisors (123301898).

223431382 is a wasteful number, since it uses less digits than its factorization.

223431382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215.

The product of its digits is 6912, while the sum is 28.

The square root of 223431382 is about 14947.6212823312. The cubic root of 223431382 is about 606.8034722805.

The spelling of 223431382 in words is "two hundred twenty-three million, four hundred thirty-one thousand, three hundred eighty-two".