243420214222 has 16 divisors (see below), whose sum is σ = 367178050512. Its totient is φ = 121027642560.

The previous prime is 243420214217. The next prime is 243420214229. The reversal of 243420214222 is 222412024342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243420214229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6372793 + ... + 6410875.

It is an arithmetic number, because the mean of its divisors is an integer number (22948628157).

Almost surely, 2^243420214222 is an apocalyptic number.

243420214222 is a deficient number, since it is larger than the sum of its proper divisors (123757836290).

243420214222 is a wasteful number, since it uses less digits than its factorization.

243420214222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55923.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 243420214222 its reverse (222412024342), we get a palindrome (465832238564).

The spelling of 243420214222 in words is "two hundred forty-three billion, four hundred twenty million, two hundred fourteen thousand, two hundred twenty-two".