243240642022 has 16 divisors (see below), whose sum is σ = 428253795360. Its totient is φ = 101428530048.

The previous prime is 243240641977. The next prime is 243240642163. The reversal of 243240642022 is 220246042342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234787747 + ... + 234788782.

It is an arithmetic number, because the mean of its divisors is an integer number (26765862210).

Almost surely, 2^243240642022 is an apocalyptic number.

243240642022 is a deficient number, since it is larger than the sum of its proper divisors (185013153338).

243240642022 is a wasteful number, since it uses less digits than its factorization.

243240642022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469576575.

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

Adding to 243240642022 its reverse (220246042342), we get a palindrome (463486684364).

The spelling of 243240642022 in words is "two hundred forty-three billion, two hundred forty million, six hundred forty-two thousand, twenty-two".