22271111356 has 18 divisors (see below), whose sum is σ = 42203098392. Its totient is φ = 10278974160.

The previous prime is 22271111333. The next prime is 22271111371. The reversal of 22271111356 is 65311117222.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 16472040 + ... + 16473391.

Almost surely, 2^22271111356 is an apocalyptic number.

22271111356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22271111356 is a deficient number, since it is larger than the sum of its proper divisors (19931987036).

22271111356 is a wasteful number, since it uses less digits than its factorization.

22271111356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32945461 (or 32945446 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

Adding to 22271111356 its reverse (65311117222), we get a palindrome (87582228578).

The spelling of 22271111356 in words is "twenty-two billion, two hundred seventy-one million, one hundred eleven thousand, three hundred fifty-six".