22118677349 has 4 divisors (see below), whose sum is σ = 22121631264. Its totient is φ = 22115723436.

The previous prime is 22118677337. The next prime is 22118677381. The reversal of 22118677349 is 94377681122.

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 22118677349 - 2⁴ = 22118677333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22118677297 and 22118677306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22118670349) 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, 1465697 + ... + 1480710.

It is an arithmetic number, because the mean of its divisors is an integer number (5530407816).

Almost surely, 2^22118677349 is an apocalyptic number.

It is an amenable number.

22118677349 is a deficient number, since it is larger than the sum of its proper divisors (2953915).

22118677349 is an equidigital number, since it uses as much as digits as its factorization.

22118677349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953914.

The product of its digits is 1016064, while the sum is 50.

The spelling of 22118677349 in words is "twenty-two billion, one hundred eighteen million, six hundred seventy-seven thousand, three hundred forty-nine".