222131442124 has 24 divisors (see below), whose sum is σ = 406057125600. Its totient is φ = 106125258624.

The previous prime is 222131442119. The next prime is 222131442133. The reversal of 222131442124 is 421244131222.

It is a junction number, because it is equal to n+sod(n) for n = 222131442092 and 222131442101.

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, 1179099 + ... + 1354450.

It is an arithmetic number, because the mean of its divisors is an integer number (16919046900).

Almost surely, 2^222131442124 is an apocalyptic number.

It is an amenable number.

222131442124 is a deficient number, since it is larger than the sum of its proper divisors (183925683476).

222131442124 is a wasteful number, since it uses less digits than its factorization.

222131442124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534529 (or 2534527 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 222131442124 its reverse (421244131222), we get a palindrome (643375573346).

The spelling of 222131442124 in words is "two hundred twenty-two billion, one hundred thirty-one million, four hundred forty-two thousand, one hundred twenty-four".