222320145468 has 12 divisors (see below), whose sum is σ = 518747006120. Its totient is φ = 74106715152.

The previous prime is 222320145433. The next prime is 222320145469. The reversal of 222320145468 is 864541023222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222320145469) 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 in 3 ways as a sum of consecutive naturals, for example, 9263339383 + ... + 9263339406.

Almost surely, 2^222320145468 is an apocalyptic number.

It is an amenable number.

222320145468 is an abundant number, since it is smaller than the sum of its proper divisors (296426860652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222320145468 is a wasteful number, since it uses less digits than its factorization.

222320145468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18526678796 (or 18526678794 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 222320145468 in words is "two hundred twenty-two billion, three hundred twenty million, one hundred forty-five thousand, four hundred sixty-eight".