22120312222 has 8 divisors (see below), whose sum is σ = 33274465056. Its totient is φ = 11028823872.

The previous prime is 22120312219. The next prime is 22120312241. The reversal of 22120312222 is 22221302122.

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

It is a super-3 number, since 3×22120312222³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22120312222.

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 3 ways as a sum of consecutive naturals, for example, 15665238 + ... + 15666649.

It is an arithmetic number, because the mean of its divisors is an integer number (4159308132).

Almost surely, 2^22120312222 is an apocalyptic number.

22120312222 is a deficient number, since it is larger than the sum of its proper divisors (11154152834).

22120312222 is a wasteful number, since it uses less digits than its factorization.

22120312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31332242.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22120312222 its reverse (22221302122), we get a palindrome (44341614344).

The spelling of 22120312222 in words is "twenty-two billion, one hundred twenty million, three hundred twelve thousand, two hundred twenty-two".