243220242022342 has 48 divisors (see below), whose sum is σ = 408242657080368. Its totient is φ = 108559309622400.

The previous prime is 243220242022327. The next prime is 243220242022391.

243220242022342 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×243220242022342² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243220242022298 and 243220242022307.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 81376473 + ... + 84312340.

It is an arithmetic number, because the mean of its divisors is an integer number (8505055355841).

Almost surely, 2^{243220242022342} is an apocalyptic number.

243220242022342 is a deficient number, since it is larger than the sum of its proper divisors (165022415058026).

243220242022342 is a wasteful number, since it uses less digits than its factorization.

243220242022342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165688985 (or 165688972 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

The spelling of 243220242022342 in words is "two hundred forty-three trillion, two hundred twenty billion, two hundred forty-two million, twenty-two thousand, three hundred forty-two".