22131230012219 has 4 divisors (see below), whose sum is σ = 22671016110120. Its totient is φ = 21591443914320.

The previous prime is 22131230012207. The next prime is 22131230012237. The reversal of 22131230012219 is 91221003213122.

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 22131230012219 - 2¹² = 22131230008123 is a prime.

It is a super-2 number, since 2×22131230012219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22131230012191 and 22131230012200.

It is not an unprimeable number, because it can be changed into a prime (22131230012249) 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, 269893048889 + ... + 269893048970.

It is an arithmetic number, because the mean of its divisors is an integer number (5667754027530).

Almost surely, 2^{22131230012219} is an apocalyptic number.

22131230012219 is a deficient number, since it is larger than the sum of its proper divisors (539786097901).

22131230012219 is an equidigital number, since it uses as much as digits as its factorization.

22131230012219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539786097900.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 22131230012219 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty million, twelve thousand, two hundred nineteen".