222366843 has 8 divisors (see below), whose sum is σ = 329432400. Its totient is φ = 148244544.

The previous prime is 222366841. The next prime is 222366847. The reversal of 222366843 is 348663222.

It is not a de Polignac number, because 222366843 - 2¹ = 222366841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222366798 and 222366807.

It is not an unprimeable number, because it can be changed into a prime (222366841) 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 7 ways as a sum of consecutive naturals, for example, 4117878 + ... + 4117931.

It is an arithmetic number, because the mean of its divisors is an integer number (41179050).

Almost surely, 2^222366843 is an apocalyptic number.

222366843 is a deficient number, since it is larger than the sum of its proper divisors (107065557).

222366843 is an equidigital number, since it uses as much as digits as its factorization.

222366843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235818 (or 8235812 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 222366843 is about 14911.9697894007. The cubic root of 222366843 is about 605.8382324804.

The spelling of 222366843 in words is "two hundred twenty-two million, three hundred sixty-six thousand, eight hundred forty-three".