222434143 has 4 divisors (see below), whose sum is σ = 227859408. Its totient is φ = 217008880.

The previous prime is 222434129. The next prime is 222434153. The reversal of 222434143 is 341434222.

It is a happy number.

222434143 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 222434143 - 2²⁵ = 188879711 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 (222434153) 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, 2712571 + ... + 2712652.

It is an arithmetic number, because the mean of its divisors is an integer number (56964852).

Almost surely, 2^222434143 is an apocalyptic number.

222434143 is a deficient number, since it is larger than the sum of its proper divisors (5425265).

222434143 is an equidigital number, since it uses as much as digits as its factorization.

222434143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425264.

The product of its digits is 4608, while the sum is 25.

The square root of 222434143 is about 14914.2261951467. The cubic root of 222434143 is about 605.8993459087.

Adding to 222434143 its reverse (341434222), we get a palindrome (563868365).

The spelling of 222434143 in words is "two hundred twenty-two million, four hundred thirty-four thousand, one hundred forty-three".