22113132218 has 4 divisors (see below), whose sum is σ = 33169698330. Its totient is φ = 11056566108.

The previous prime is 22113132169. The next prime is 22113132221. The reversal of 22113132218 is 81223131122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20829128329 + 1284003889 = 144323^2 + 35833^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528283053 + ... + 5528283056.

Almost surely, 2^22113132218 is an apocalyptic number.

22113132218 is a deficient number, since it is larger than the sum of its proper divisors (11056566112).

22113132218 is a wasteful number, since it uses less digits than its factorization.

22113132218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056566111.

The product of its digits is 1152, while the sum is 26.

The spelling of 22113132218 in words is "twenty-two billion, one hundred thirteen million, one hundred thirty-two thousand, two hundred eighteen".