222144343 has 2 divisors, whose sum is σ = 222144344. Its totient is φ = 222144342.

The previous prime is 222144341. The next prime is 222144347. The reversal of 222144343 is 343441222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222144343 - 2¹ = 222144341 is a prime.

Together with 222144341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222144341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111072171 + 111072172.

It is an arithmetic number, because the mean of its divisors is an integer number (111072172).

Almost surely, 2^222144343 is an apocalyptic number.

222144343 is a deficient number, since it is larger than the sum of its proper divisors (1).

222144343 is an equidigital number, since it uses as much as digits as its factorization.

222144343 is an evil number, because the sum of its binary digits is even.

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

The square root of 222144343 is about 14904.5074725735. The cubic root of 222144343 is about 605.6360980407.

Adding to 222144343 its reverse (343441222), we get a palindrome (565585565).

It can be divided in two parts, 2221 and 44343, that added together give a palindrome (46564).

The spelling of 222144343 in words is "two hundred twenty-two million, one hundred forty-four thousand, three hundred forty-three".