243043440422 has 16 divisors (see below), whose sum is σ = 386802825120. Its totient is φ = 114138523008.

The previous prime is 243043440403. The next prime is 243043440427. The reversal of 243043440422 is 224044340342.

It is a super-2 number, since 2×243043440422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243043440427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7322597 + ... + 7355712.

It is an arithmetic number, because the mean of its divisors is an integer number (24175176570).

Almost surely, 2^243043440422 is an apocalyptic number.

243043440422 is a deficient number, since it is larger than the sum of its proper divisors (143759384698).

243043440422 is a wasteful number, since it uses less digits than its factorization.

243043440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14678815.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 243043440422 its reverse (224044340342), we get a palindrome (467087780764).

The spelling of 243043440422 in words is "two hundred forty-three billion, forty-three million, four hundred forty thousand, four hundred twenty-two".