22112220221022 has 8 divisors (see below), whose sum is σ = 44224440442056. Its totient is φ = 7370740073672.

The previous prime is 22112220220949. The next prime is 22112220221083. The reversal of 22112220221022 is 22012202221122.

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

22112220221022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22112220221022.

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, 1842685018413 + ... + 1842685018424.

It is an arithmetic number, because the mean of its divisors is an integer number (5528055055257).

Almost surely, 2^{22112220221022} is an apocalyptic number.

22112220221022 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.

22112220221022 is a wasteful number, since it uses less digits than its factorization.

22112220221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685370036842.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22112220221022 its reverse (22012202221122), we get a palindrome (44124422442144).

The spelling of 22112220221022 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, twenty-two".