222123142116 has 36 divisors (see below), whose sum is σ = 561514016700. Its totient is φ = 74036290368.

The previous prime is 222123142079. The next prime is 222123142117. The reversal of 222123142116 is 611241321222.

222123142116 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 231 + 421 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 150191902116 + 71931240000 = 387546^2 + 268200^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 222123142116.

It is not an unprimeable number, because it can be changed into a prime (222123142117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394150 + ... + 774338.

It is an arithmetic number, because the mean of its divisors is an integer number (15597611575).

Almost surely, 2^222123142116 is an apocalyptic number.

It is an amenable number.

222123142116 is an abundant number, since it is smaller than the sum of its proper divisors (339390874584).

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

222123142116 is a wasteful number, since it uses less digits than its factorization.

222123142116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396428 (or 396423 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 222123142116 its reverse (611241321222), we get a palindrome (833364463338).

The spelling of 222123142116 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred forty-two thousand, one hundred sixteen".