222907109 has 8 divisors (see below), whose sum is σ = 224163288. Its totient is φ = 221655040.

The previous prime is 222907103. The next prime is 222907117. The reversal of 222907109 is 901709222.

222907109 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 12802084 + 210105025 = 3578^2 + 14495^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 222907109 - 2⁴ = 222907093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222907103) 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, 202649 + ... + 203745.

It is an arithmetic number, because the mean of its divisors is an integer number (28020411).

Almost surely, 2^222907109 is an apocalyptic number.

It is an amenable number.

222907109 is a deficient number, since it is larger than the sum of its proper divisors (1256179).

222907109 is a wasteful number, since it uses less digits than its factorization.

222907109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 222907109 is about 14930.0739783834. The cubic root of 222907109 is about 606.3284870361.

The spelling of 222907109 in words is "two hundred twenty-two million, nine hundred seven thousand, one hundred nine".