22156014222 has 24 divisors (see below), whose sum is σ = 48078918576. Its totient is φ = 7373919456.

The previous prime is 22156014187. The next prime is 22156014227. The reversal of 22156014222 is 22241065122.

22156014222 is a `hidden beast` number, since 2 + 2 + 15 + 601 + 42 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22156014227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939583 + ... + 962874.

It is an arithmetic number, because the mean of its divisors is an integer number (2003288274).

Almost surely, 2^22156014222 is an apocalyptic number.

22156014222 is an abundant number, since it is smaller than the sum of its proper divisors (25922904354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22156014222 is a wasteful number, since it uses less digits than its factorization.

22156014222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903112 (or 1903109 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 22156014222 its reverse (22241065122), we get a palindrome (44397079344).

The spelling of 22156014222 in words is "twenty-two billion, one hundred fifty-six million, fourteen thousand, two hundred twenty-two".