22216261222 has 4 divisors (see below), whose sum is σ = 33324391836. Its totient is φ = 11108130610.

The previous prime is 22216261219. The next prime is 22216261297.

22216261222 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5554065304 + ... + 5554065307.

It is an arithmetic number, because the mean of its divisors is an integer number (8331097959).

Almost surely, 2^22216261222 is an apocalyptic number.

22216261222 is a deficient number, since it is larger than the sum of its proper divisors (11108130614).

22216261222 is a wasteful number, since it uses less digits than its factorization.

22216261222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11108130613.

The product of its digits is 4608, while the sum is 28.

The spelling of 22216261222 in words is "twenty-two billion, two hundred sixteen million, two hundred sixty-one thousand, two hundred twenty-two".