222809907 has 8 divisors (see below), whose sum is σ = 301514176. Its totient is φ = 146322792.

The previous prime is 222809891. The next prime is 222809921. The reversal of 222809907 is 709908222.

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

It is not a de Polignac number, because 222809907 - 2⁴ = 222809891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222809957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554053 + ... + 554454.

It is an arithmetic number, because the mean of its divisors is an integer number (37689272).

Almost surely, 2^222809907 is an apocalyptic number.

222809907 is a deficient number, since it is larger than the sum of its proper divisors (78704269).

222809907 is a wasteful number, since it uses less digits than its factorization.

222809907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108577.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 222809907 is about 14926.8183816914. The cubic root of 222809907 is about 606.2403413348.

The spelling of 222809907 in words is "two hundred twenty-two million, eight hundred nine thousand, nine hundred seven".