22120012219 has 4 divisors (see below), whose sum is σ = 22122256240. Its totient is φ = 22117768200.

The previous prime is 22120012217. The next prime is 22120012231. The reversal of 22120012219 is 91221002122.

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 22120012219 - 2¹ = 22120012217 is a prime.

It is a super-2 number, since 2×22120012219² (a number of 21 digits) 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 22120012219.

It is not an unprimeable number, because it can be changed into a prime (22120012217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107159 + ... + 1126960.

It is an arithmetic number, because the mean of its divisors is an integer number (5530564060).

Almost surely, 2^22120012219 is an apocalyptic number.

22120012219 is a deficient number, since it is larger than the sum of its proper divisors (2244021).

22120012219 is an equidigital number, since it uses as much as digits as its factorization.

22120012219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244020.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 22120012219 in words is "twenty-two billion, one hundred twenty million, twelve thousand, two hundred nineteen".