222253025256 has 128 divisors (see below), whose sum is σ = 654201878400. Its totient is φ = 69671347200.

The previous prime is 222253025251. The next prime is 222253025297. The reversal of 222253025256 is 652520352222.

222253025256 is a `hidden beast` number, since 2 + 2 + 22 + 530 + 2 + 52 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 222253025256.

It is not an unprimeable number, because it can be changed into a prime (222253025251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4754011 + ... + 4800533.

It is an arithmetic number, because the mean of its divisors is an integer number (5110952175).

Almost surely, 2^222253025256 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 222253025256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327100939200).

222253025256 is an abundant number, since it is smaller than the sum of its proper divisors (431948853144).

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

222253025256 is a wasteful number, since it uses less digits than its factorization.

222253025256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47856 (or 47846 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 222253025256 its reverse (652520352222), we get a palindrome (874773377478).

The spelling of 222253025256 in words is "two hundred twenty-two billion, two hundred fifty-three million, twenty-five thousand, two hundred fifty-six".