222321431144 has 8 divisors (see below), whose sum is σ = 416852683410. Its totient is φ = 111160715568.

The previous prime is 222321431093. The next prime is 222321431177. The reversal of 222321431144 is 441134123222.

222321431144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 195797400100 + 26524031044 = 442490^2 + 162862^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13895089439 + ... + 13895089454.

Almost surely, 2^222321431144 is an apocalyptic number.

It is an amenable number.

222321431144 is a deficient number, since it is larger than the sum of its proper divisors (194531252266).

222321431144 is a wasteful number, since it uses less digits than its factorization.

222321431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27790178899 (or 27790178895 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 222321431144 its reverse (441134123222), we get a palindrome (663455554366).

The spelling of 222321431144 in words is "two hundred twenty-two billion, three hundred twenty-one million, four hundred thirty-one thousand, one hundred forty-four".