222022444424 has 64 divisors (see below), whose sum is σ = 459353980800. Its totient is φ = 99763072000.

The previous prime is 222022444381. The next prime is 222022444451. The reversal of 222022444424 is 424444220222.

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 15 ways as a sum of consecutive naturals, for example, 5731232 + ... + 5769840.

It is an arithmetic number, because the mean of its divisors is an integer number (7177405950).

Almost surely, 2^222022444424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222022444424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229676990400).

222022444424 is an abundant number, since it is smaller than the sum of its proper divisors (237331536376).

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

222022444424 is a wasteful number, since it uses less digits than its factorization.

222022444424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39374 (or 39370 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 222022444424 its reverse (424444220222), we get a palindrome (646466664646).

The spelling of 222022444424 in words is "two hundred twenty-two billion, twenty-two million, four hundred forty-four thousand, four hundred twenty-four".