222228002688 has 128 divisors (see below), whose sum is σ = 610262246400. Its totient is φ = 71577354240.

The previous prime is 222228002683. The next prime is 222228002707. The reversal of 222228002688 is 886200822222.

222228002688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222228002683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7997523 + ... + 8025261.

It is an arithmetic number, because the mean of its divisors is an integer number (4767673800).

Almost surely, 2^222228002688 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 222228002688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305131123200).

222228002688 is an abundant number, since it is smaller than the sum of its proper divisors (388034243712).

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

222228002688 is a wasteful number, since it uses less digits than its factorization.

222228002688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28460 (or 28448 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 222228002688 in words is "two hundred twenty-two billion, two hundred twenty-eight million, two thousand, six hundred eighty-eight".