22202212221112 has 32 divisors (see below), whose sum is σ = 51901275323520. Its totient is φ = 8650212553440.

The previous prime is 22202212221073. The next prime is 22202212221121. The reversal of 22202212221112 is 21112221220222.

It is a super-2 number, since 2×22202212221112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 18021275538 + ... + 18021276769.

It is an arithmetic number, because the mean of its divisors is an integer number (1621914853860).

Almost surely, 2^{22202212221112} is an apocalyptic number.

22202212221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22202212221112 is an abundant number, since it is smaller than the sum of its proper divisors (29699063102408).

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

22202212221112 is a wasteful number, since it uses less digits than its factorization.

22202212221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36042552331 (or 36042552327 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22202212221112 its reverse (21112221220222), we get a palindrome (43314433441334).

The spelling of 22202212221112 in words is "twenty-two trillion, two hundred two billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twelve".