222304221124 has 12 divisors (see below), whose sum is σ = 389318239548. Its totient is φ = 111070438400.

The previous prime is 222304221043. The next prime is 222304221149. The reversal of 222304221124 is 421122403222.

It can be written as a sum of positive squares in 2 ways, for example, as 145252454400 + 77051766724 = 381120^2 + 277582^2 .

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, 20411917 + ... + 20422804.

It is an arithmetic number, because the mean of its divisors is an integer number (32443186629).

Almost surely, 2^222304221124 is an apocalyptic number.

It is an amenable number.

222304221124 is a deficient number, since it is larger than the sum of its proper divisors (167014018424).

222304221124 is a wasteful number, since it uses less digits than its factorization.

222304221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40836086 (or 40836084 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 222304221124 its reverse (421122403222), we get a palindrome (643426624346).

The spelling of 222304221124 in words is "two hundred twenty-two billion, three hundred four million, two hundred twenty-one thousand, one hundred twenty-four".