22215651222 has 16 divisors (see below), whose sum is σ = 45632148912. Its totient is φ = 7205076000.

The previous prime is 22215651203. The next prime is 22215651223.

22215651222 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22215651222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22215651223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50035029 + ... + 50035472.

It is an arithmetic number, because the mean of its divisors is an integer number (2852009307).

Almost surely, 2^22215651222 is an apocalyptic number.

22215651222 is an abundant number, since it is smaller than the sum of its proper divisors (23416497690).

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

22215651222 is a wasteful number, since it uses less digits than its factorization.

22215651222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100070543.

The product of its digits is 9600, while the sum is 30.

The spelling of 22215651222 in words is "twenty-two billion, two hundred fifteen million, six hundred fifty-one thousand, two hundred twenty-two".