243222420042122 has 16 divisors (see below), whose sum is σ = 367751965701120. Its totient is φ = 120638669131008.

The previous prime is 243222420042059. The next prime is 243222420042127. The reversal of 243222420042122 is 221240024222342.

It is a super-2 number, since 2×243222420042122² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243222420042127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57362903 + ... + 61456874.

It is an arithmetic number, because the mean of its divisors is an integer number (22984497856320).

Almost surely, 2^{243222420042122} is an apocalyptic number.

243222420042122 is a deficient number, since it is larger than the sum of its proper divisors (124529545658998).

243222420042122 is a wasteful number, since it uses less digits than its factorization.

243222420042122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118827965.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 243222420042122 its reverse (221240024222342), we get a palindrome (464462444264464).

The spelling of 243222420042122 in words is "two hundred forty-three trillion, two hundred twenty-two billion, four hundred twenty million, forty-two thousand, one hundred twenty-two".