222907 has 4 divisors (see below), whose sum is σ = 225216. Its totient is φ = 220600.

The previous prime is 222883. The next prime is 222913. The reversal of 222907 is 709222.

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

It is a cyclic number.

It is not a de Polignac number, because 222907 - 2⁷ = 222779 is a prime.

It is a Duffinian number.

222907 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (222947) 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, 1003 + ... + 1204.

It is an arithmetic number, because the mean of its divisors is an integer number (56304).

2²²²⁹⁰⁷ is an apocalyptic number.

222907 is a deficient number, since it is larger than the sum of its proper divisors (2309).

222907 is a wasteful number, since it uses less digits than its factorization.

222907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 222907 is about 472.1302786308. The cubic root of 222907 is about 60.6328388206.

The spelling of 222907 in words is "two hundred twenty-two thousand, nine hundred seven".