222348143 has 4 divisors (see below), whose sum is σ = 225666840. Its totient is φ = 219029448.

The previous prime is 222348131. The next prime is 222348163. The reversal of 222348143 is 341843222.

222348143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222348143 - 2⁸ = 222347887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222348163) 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, 1659248 + ... + 1659381.

It is an arithmetic number, because the mean of its divisors is an integer number (56416710).

Almost surely, 2^222348143 is an apocalyptic number.

222348143 is a deficient number, since it is larger than the sum of its proper divisors (3318697).

222348143 is an equidigital number, since it uses as much as digits as its factorization.

222348143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318696.

The product of its digits is 9216, while the sum is 29.

The square root of 222348143 is about 14911.3427631451. The cubic root of 222348143 is about 605.8212492941.

The spelling of 222348143 in words is "two hundred twenty-two million, three hundred forty-eight thousand, one hundred forty-three".