1222542434424 has 32 divisors (see below), whose sum is σ = 3189241134720. Its totient is φ = 389796138336.

The previous prime is 1222542434411. The next prime is 1222542434441. The reversal of 1222542434424 is 4244342452221.

It is a super-2 number, since 2×1222542434424² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107374842 + ... + 1107375945.

It is an arithmetic number, because the mean of its divisors is an integer number (99663785460).

Almost surely, 2^{1222542434424} is an apocalyptic number.

It is an amenable number.

1222542434424 is an abundant number, since it is smaller than the sum of its proper divisors (1966698700296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222542434424 is a wasteful number, since it uses less digits than its factorization.

1222542434424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214750819 (or 2214750815 counting only the distinct ones).

The product of its digits is 491520, while the sum is 39.

Adding to 1222542434424 its reverse (4244342452221), we get a palindrome (5466884886645).

The spelling of 1222542434424 in words is "one trillion, two hundred twenty-two billion, five hundred forty-two million, four hundred thirty-four thousand, four hundred twenty-four".