222098888 has 36 divisors (see below), whose sum is σ = 458692395. Its totient is φ = 100743280.

The previous prime is 222098881. The next prime is 222098917. The reversal of 222098888 is 888890222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

222098888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 111049444 + 111049444 = 10538^2 + 10538^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10538.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222098881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 463433 + ... + 463911.

Almost surely, 2^222098888 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 222098888

222098888 is an abundant number, since it is smaller than the sum of its proper divisors (236593507).

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

222098888 is an equidigital number, since it uses as much as digits as its factorization.

222098888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 222098888 is about 14902.9825202877. The cubic root of 222098888 is about 605.5947869629.

Multiplying 222098888 by its product of nonzero digits (294912), we get a square (65499627257856 = 8093184²).

The spelling of 222098888 in words is "two hundred twenty-two million, ninety-eight thousand, eight hundred eighty-eight".