222112225 has 24 divisors (see below), whose sum is σ = 292481280. Its totient is φ = 166744320.

The previous prime is 222112217. The next prime is 222112273. The reversal of 222112225 is 522211222.

It is not a de Polignac number, because 222112225 - 2³ = 222112217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213256 + ... + 214294.

It is an arithmetic number, because the mean of its divisors is an integer number (12186720).

Almost surely, 2^222112225 is an apocalyptic number.

222112225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222112225 is a deficient number, since it is larger than the sum of its proper divisors (70369055).

222112225 is a wasteful number, since it uses less digits than its factorization.

222112225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1564 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 222112225 is about 14903.4299743381. The cubic root of 222112225 is about 605.6069086745.

Adding to 222112225 its reverse (522211222), we get a palindrome (744323447).

The spelling of 222112225 in words is "two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-five".