243420212422 has 32 divisors (see below), whose sum is σ = 375214371840. Its totient is φ = 118409195520.

The previous prime is 243420212419. The next prime is 243420212447. The reversal of 243420212422 is 224212024342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2640222 + ... + 2730862.

It is an arithmetic number, because the mean of its divisors is an integer number (11725449120).

Almost surely, 2^243420212422 is an apocalyptic number.

243420212422 is a deficient number, since it is larger than the sum of its proper divisors (131794159418).

243420212422 is a wasteful number, since it uses less digits than its factorization.

243420212422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90976.

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

Adding to 243420212422 its reverse (224212024342), we get a palindrome (467632236764).

The spelling of 243420212422 in words is "two hundred forty-three billion, four hundred twenty million, two hundred twelve thousand, four hundred twenty-two".