220122309 has 8 divisors (see below), whose sum is σ = 320177952. Its totient is φ = 133407440.

The previous prime is 220122293. The next prime is 220122311. The reversal of 220122309 is 903221022.

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 220122309 - 2⁴ = 220122293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122359) 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, 3335154 + ... + 3335219.

It is an arithmetic number, because the mean of its divisors is an integer number (40022244).

Almost surely, 2^220122309 is an apocalyptic number.

It is an amenable number.

220122309 is a deficient number, since it is larger than the sum of its proper divisors (100055643).

220122309 is a wasteful number, since it uses less digits than its factorization.

220122309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670387.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 220122309 is about 14836.5194368491. The cubic root of 220122309 is about 603.7929251187.

The spelling of 220122309 in words is "two hundred twenty million, one hundred twenty-two thousand, three hundred nine".