222120323055 has 24 divisors (see below), whose sum is σ = 394399015920. Its totient is φ = 115574801280.

The previous prime is 222120322999. The next prime is 222120323057. The reversal of 222120323055 is 550323021222.

222120323055 is a `hidden beast` number, since 2 + 221 + 203 + 230 + 5 + 5 = 666.

It is not a de Polignac number, because 222120323055 - 2⁸ = 222120322799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120323057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60193365 + ... + 60197054.

It is an arithmetic number, because the mean of its divisors is an integer number (16433292330).

Almost surely, 2^222120323055 is an apocalyptic number.

222120323055 is a deficient number, since it is larger than the sum of its proper divisors (172278692865).

222120323055 is a wasteful number, since it uses less digits than its factorization.

222120323055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120390471 (or 120390468 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 222120323055 its reverse (550323021222), we get a palindrome (772443344277).

The spelling of 222120323055 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred twenty-three thousand, fifty-five".