222706207 has 4 divisors (see below), whose sum is σ = 222740280. Its totient is φ = 222672136.

The previous prime is 222706193. The next prime is 222706223. The reversal of 222706207 is 702607222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222706207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222706807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3808 + ... + 21445.

It is an arithmetic number, because the mean of its divisors is an integer number (55685070).

Almost surely, 2^222706207 is an apocalyptic number.

222706207 is a deficient number, since it is larger than the sum of its proper divisors (34073).

222706207 is an equidigital number, since it uses as much as digits as its factorization.

222706207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34072.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 222706207 is about 14923.3443637812. The cubic root of 222706207 is about 606.1462747828.

The spelling of 222706207 in words is "two hundred twenty-two million, seven hundred six thousand, two hundred seven".