222420042424 has 16 divisors (see below), whose sum is σ = 417061170720. Its totient is φ = 111203730240.

The previous prime is 222420042413. The next prime is 222420042497. The reversal of 222420042424 is 424240024222.

It is a junction number, because it is equal to n+sod(n) for n = 222420042392 and 222420042401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634384 + ... + 920479.

It is an arithmetic number, because the mean of its divisors is an integer number (26066323170).

Almost surely, 2^222420042424 is an apocalyptic number.

It is an amenable number.

222420042424 is a deficient number, since it is larger than the sum of its proper divisors (194641128296).

222420042424 is a wasteful number, since it uses less digits than its factorization.

222420042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572750 (or 1572746 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 222420042424 its reverse (424240024222), we get a palindrome (646660066646).

The spelling of 222420042424 in words is "two hundred twenty-two billion, four hundred twenty million, forty-two thousand, four hundred twenty-four".