243310440422 has 8 divisors (see below), whose sum is σ = 417103612176. Its totient is φ = 104275903032.

The previous prime is 243310440421. The next prime is 243310440449. The reversal of 243310440422 is 224044013342.

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

It is a super-2 number, since 2×243310440422² (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 (243310440421) 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 3 ways as a sum of consecutive naturals, for example, 8689658573 + ... + 8689658600.

It is an arithmetic number, because the mean of its divisors is an integer number (52137951522).

Almost surely, 2^243310440422 is an apocalyptic number.

243310440422 is a deficient number, since it is larger than the sum of its proper divisors (173793171754).

243310440422 is a wasteful number, since it uses less digits than its factorization.

243310440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17379317182.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243310440422 its reverse (224044013342), we get a palindrome (467354453764).

The spelling of 243310440422 in words is "two hundred forty-three billion, three hundred ten million, four hundred forty thousand, four hundred twenty-two".