212222442343 has 8 divisors (see below), whose sum is σ = 226694667168. Its totient is φ = 197971167744.

The previous prime is 212222442323. The next prime is 212222442349. The reversal of 212222442343 is 343244222212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212222442343 - 2³³ = 203632507751 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 (212222442349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55235571 + ... + 55239412.

It is an arithmetic number, because the mean of its divisors is an integer number (28336833396).

Almost surely, 2^212222442343 is an apocalyptic number.

212222442343 is a deficient number, since it is larger than the sum of its proper divisors (14472224825).

212222442343 is a wasteful number, since it uses less digits than its factorization.

212222442343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110475113.

The product of its digits is 36864, while the sum is 31.

Adding to 212222442343 its reverse (343244222212), we get a palindrome (555466664555).

The spelling of 212222442343 in words is "two hundred twelve billion, two hundred twenty-two million, four hundred forty-two thousand, three hundred forty-three".