22120011222 has 8 divisors (see below), whose sum is σ = 44240022456. Its totient is φ = 7373337072.

The previous prime is 22120011161. The next prime is 22120011233. The reversal of 22120011222 is 22211002122.

It is a sphenic number, since it is the product of 3 distinct primes.

22120011222 is an admirable number.

It is a super-2 number, since 2×22120011222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843334263 + ... + 1843334274.

It is an arithmetic number, because the mean of its divisors is an integer number (5530002807).

Almost surely, 2^22120011222 is an apocalyptic number.

22120011222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22120011222 is a wasteful number, since it uses less digits than its factorization.

22120011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686668542.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120011222 its reverse (22211002122), we get a palindrome (44331013344).

The spelling of 22120011222 in words is "twenty-two billion, one hundred twenty million, eleven thousand, two hundred twenty-two".