222326943 has 4 divisors (see below), whose sum is σ = 296435928. Its totient is φ = 148217960.

The previous prime is 222326941. The next prime is 222326959. The reversal of 222326943 is 349623222.

It is a happy number.

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 222326943 - 2¹ = 222326941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222326941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37054488 + ... + 37054493.

It is an arithmetic number, because the mean of its divisors is an integer number (74108982).

Almost surely, 2^222326943 is an apocalyptic number.

222326943 is a deficient number, since it is larger than the sum of its proper divisors (74108985).

222326943 is an equidigital number, since it uses as much as digits as its factorization.

222326943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74108984.

The product of its digits is 31104, while the sum is 33.

The square root of 222326943 is about 14910.6318779588. The cubic root of 222326943 is about 605.8019944767.

The spelling of 222326943 in words is "two hundred twenty-two million, three hundred twenty-six thousand, nine hundred forty-three".