222000225 has 12 divisors (see below), whose sum is σ = 367040496. Its totient is φ = 118400080.

The previous prime is 222000217. The next prime is 222000241. The reversal of 222000225 is 522000222.

It is not a de Polignac number, because 222000225 - 2³ = 222000217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1479927 + ... + 1480076.

It is an arithmetic number, because the mean of its divisors is an integer number (30586708).

Almost surely, 2^222000225 is an apocalyptic number.

222000225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222000225 is a deficient number, since it is larger than the sum of its proper divisors (145040271).

222000225 is a wasteful number, since it uses less digits than its factorization.

222000225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960016 (or 2960011 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 222000225 is about 14899.6719762550. The cubic root of 222000225 is about 605.5050992135.

Adding to 222000225 its reverse (522000222), we get a palindrome (744000447).

The spelling of 222000225 in words is "two hundred twenty-two million, two hundred twenty-five", and thus it is an aban number.