222485872 has 60 divisors (see below), whose sum is σ = 504810696. Its totient is φ = 94711680.

The previous prime is 222485869. The next prime is 222485897. The reversal of 222485872 is 278584222.

222485872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126922 + ... + 128662.

Almost surely, 2^222485872 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 222485872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252405348).

222485872 is an abundant number, since it is smaller than the sum of its proper divisors (282324824).

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

222485872 is a wasteful number, since it uses less digits than its factorization.

222485872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1913 counting only the distinct ones).

The product of its digits is 143360, while the sum is 40.

The square root of 222485872 is about 14915.9603110226. The cubic root of 222485872 is about 605.9463113273.

The spelling of 222485872 in words is "two hundred twenty-two million, four hundred eighty-five thousand, eight hundred seventy-two".