222442031444 has 6 divisors (see below), whose sum is σ = 389273555034. Its totient is φ = 111221015720.

The previous prime is 222442031417. The next prime is 222442031453. The reversal of 222442031444 is 444130244222.

It can be written as a sum of positive squares in only one way, i.e., 115749648400 + 106692383044 = 340220^2 + 326638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222442031444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805253927 + ... + 27805253934.

It is an arithmetic number, because the mean of its divisors is an integer number (64878925839).

Almost surely, 2^222442031444 is an apocalyptic number.

It is an amenable number.

222442031444 is a deficient number, since it is larger than the sum of its proper divisors (166831523590).

222442031444 is a wasteful number, since it uses less digits than its factorization.

222442031444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55610507865 (or 55610507863 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 222442031444 its reverse (444130244222), we get a palindrome (666572275666).

The spelling of 222442031444 in words is "two hundred twenty-two billion, four hundred forty-two million, thirty-one thousand, four hundred forty-four".