220922311209 has 4 divisors (see below), whose sum is σ = 294563081616. Its totient is φ = 147281540804.

The previous prime is 220922311157. The next prime is 220922311223. The reversal of 220922311209 is 902113229022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220922311209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220922311209.

It is not an unprimeable number, because it can be changed into a prime (220922312209) 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, 36820385199 + ... + 36820385204.

It is an arithmetic number, because the mean of its divisors is an integer number (73640770404).

Almost surely, 2^220922311209 is an apocalyptic number.

It is an amenable number.

220922311209 is a deficient number, since it is larger than the sum of its proper divisors (73640770407).

220922311209 is an equidigital number, since it uses as much as digits as its factorization.

220922311209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73640770406.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 220922311209 in words is "two hundred twenty billion, nine hundred twenty-two million, three hundred eleven thousand, two hundred nine".