222221442443 has 16 divisors (see below), whose sum is σ = 298367252736. Its totient is φ = 159839598240.

The previous prime is 222221442383. The next prime is 222221442451. The reversal of 222221442443 is 344244122222.

It is not a de Polignac number, because 222221442443 - 2⁶ = 222221442379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221442463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110998721 + ... + 111000722.

It is an arithmetic number, because the mean of its divisors is an integer number (18647953296).

Almost surely, 2^222221442443 is an apocalyptic number.

222221442443 is a deficient number, since it is larger than the sum of its proper divisors (76145810293).

222221442443 is a wasteful number, since it uses less digits than its factorization.

222221442443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221999474.

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

Adding to 222221442443 its reverse (344244122222), we get a palindrome (566465564665).

The spelling of 222221442443 in words is "two hundred twenty-two billion, two hundred twenty-one million, four hundred forty-two thousand, four hundred forty-three".