1223222042424 has 32 divisors (see below), whose sum is σ = 3219005376000. Its totient is φ = 386280644832.

The previous prime is 1223222042423. The next prime is 1223222042467. The reversal of 1223222042424 is 4242402223221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223222042391 and 1223222042400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223222042423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1341251784 + ... + 1341252695.

It is an arithmetic number, because the mean of its divisors is an integer number (100593918000).

Almost surely, 2^{1223222042424} is an apocalyptic number.

It is an amenable number.

1223222042424 is an abundant number, since it is smaller than the sum of its proper divisors (1995783333576).

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

1223222042424 is a wasteful number, since it uses less digits than its factorization.

1223222042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682504507 (or 2682504503 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 1223222042424 its reverse (4242402223221), we get a palindrome (5465624265645).

The spelling of 1223222042424 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-two million, forty-two thousand, four hundred twenty-four".