221113222 has 36 divisors (see below), whose sum is σ = 384912108. Its totient is φ = 95178600.

The previous prime is 221113213. The next prime is 221113231. The reversal of 221113222 is 222311122.

It is a happy number.

221113222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221113213) and next prime (221113231).

It is a junction number, because it is equal to n+sod(n) for n = 221113196 and 221113205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86097 + ... + 88627.

It is an arithmetic number, because the mean of its divisors is an integer number (10692003).

Almost surely, 2^221113222 is an apocalyptic number.

221113222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221113222 is a deficient number, since it is larger than the sum of its proper divisors (163798886).

221113222 is a wasteful number, since it uses less digits than its factorization.

221113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593 (or 2563 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 221113222 is about 14869.8763276633. The cubic root of 221113222 is about 604.6975899119.

Adding to 221113222 its reverse (222311122), we get a palindrome (443424344).

The spelling of 221113222 in words is "two hundred twenty-one million, one hundred thirteen thousand, two hundred twenty-two".