222011212232 has 8 divisors (see below), whose sum is σ = 416271022950. Its totient is φ = 111005606112.

The previous prime is 222011212231. The next prime is 222011212253. The reversal of 222011212232 is 232212110222.

It can be written as a sum of positive squares in only one way, i.e., 148121837956 + 73889374276 = 384866^2 + 271826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (222011212231) by changing a digit.

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 as a sum of consecutive naturals, namely, 13875700757 + ... + 13875700772.

Almost surely, 2^222011212232 is an apocalyptic number.

It is an amenable number.

222011212232 is a deficient number, since it is larger than the sum of its proper divisors (194259810718).

222011212232 is a wasteful number, since it uses less digits than its factorization.

222011212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27751401535 (or 27751401531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222011212232 its reverse (232212110222), we get a palindrome (454223322454).

The spelling of 222011212232 in words is "two hundred twenty-two billion, eleven million, two hundred twelve thousand, two hundred thirty-two".