222125065 has 8 divisors (see below), whose sum is σ = 275741640. Its totient is φ = 171572352.

The previous prime is 222125047. The next prime is 222125069. The reversal of 222125065 is 560521222.

It is a happy number.

222125065 is digitally balanced in base 2, 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 4 ways, for example, as 85264 + 222039801 = 292^2 + 14901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-222125065 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222125069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765804 + ... + 766093.

It is an arithmetic number, because the mean of its divisors is an integer number (34467705).

Almost surely, 2^222125065 is an apocalyptic number.

It is an amenable number.

222125065 is a deficient number, since it is larger than the sum of its proper divisors (53616575).

222125065 is a wasteful number, since it uses less digits than its factorization.

222125065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531931.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 222125065 is about 14903.8607414321. The cubic root of 222125065 is about 605.6185782151.

Adding to 222125065 its reverse (560521222), we get a palindrome (782646287).

The spelling of 222125065 in words is "two hundred twenty-two million, one hundred twenty-five thousand, sixty-five".