2220112309 has 4 divisors (see below), whose sum is σ = 2236084480. Its totient is φ = 2204140140.

The previous prime is 2220112253. The next prime is 2220112333. The reversal of 2220112309 is 9032110222.

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 not a de Polignac number, because 2220112309 - 2⁹ = 2220111797 is a prime.

It is a super-2 number, since 2×2220112309² = 9857797329146622962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220112309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220112009) 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, 7985877 + ... + 7986154.

It is an arithmetic number, because the mean of its divisors is an integer number (559021120).

Almost surely, 2^2220112309 is an apocalyptic number.

It is an amenable number.

2220112309 is a deficient number, since it is larger than the sum of its proper divisors (15972171).

2220112309 is a wasteful number, since it uses less digits than its factorization.

2220112309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15972170.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2220112309 is about 47118.0677553738. The cubic root of 2220112309 is about 1304.5427480610.

The spelling of 2220112309 in words is "two billion, two hundred twenty million, one hundred twelve thousand, three hundred nine".