222000843 has 4 divisors (see below), whose sum is σ = 296001128. Its totient is φ = 148000560.

The previous prime is 222000833. The next prime is 222000871. The reversal of 222000843 is 348000222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222000843 - 2⁸ = 222000587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222000833) 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, 37000138 + ... + 37000143.

It is an arithmetic number, because the mean of its divisors is an integer number (74000282).

Almost surely, 2^222000843 is an apocalyptic number.

222000843 is a deficient number, since it is larger than the sum of its proper divisors (74000285).

222000843 is an equidigital number, since it uses as much as digits as its factorization.

222000843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74000284.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 222000843 is about 14899.6927149522. The cubic root of 222000843 is about 605.5056610775.

The spelling of 222000843 in words is "two hundred twenty-two million, eight hundred forty-three", and thus it is an aban number.