222123076 has 72 divisors (see below), whose sum is σ = 468955872. Its totient is φ = 91728000.

The previous prime is 222123073. The next prime is 222123107. The reversal of 222123076 is 670321222.

222123076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222123076.

It is not an unprimeable number, because it can be changed into a prime (222123073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1052611 + ... + 1052821.

It is an arithmetic number, because the mean of its divisors is an integer number (6513276).

Almost surely, 2^222123076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222123076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234477936).

222123076 is an abundant number, since it is smaller than the sum of its proper divisors (246832796).

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

222123076 is a wasteful number, since it uses less digits than its factorization.

222123076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 222123076 is about 14903.7940136061. The cubic root of 222123076 is about 605.6167705563.

Adding to 222123076 its reverse (670321222), we get a palindrome (892444298).

The spelling of 222123076 in words is "two hundred twenty-two million, one hundred twenty-three thousand, seventy-six".