222898479122928 has 320 divisors, whose sum is σ = 697320120655872. Its totient is φ = 59974651376640.

The previous prime is 222898479122927. The next prime is 222898479122983. The reversal of 222898479122928 is 829221974898222.

222898479122928 is digitally balanced in base 2, 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 222898479122928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222898479122927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 963465475 + ... + 963696797.

Almost surely, 2^{222898479122928} is an apocalyptic number.

222898479122928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222898479122928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348660060327936).

222898479122928 is an abundant number, since it is smaller than the sum of its proper divisors (474421641532944).

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

222898479122928 is a wasteful number, since it uses less digits than its factorization.

222898479122928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233292 (or 233286 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 75.

The spelling of 222898479122928 in words is "two hundred twenty-two trillion, eight hundred ninety-eight billion, four hundred seventy-nine million, one hundred twenty-two thousand, nine hundred twenty-eight".