22000100112220 has 24 divisors (see below), whose sum is σ = 46213842780000. Its totient is φ = 8797443369792.

The previous prime is 22000100112197. The next prime is 22000100112223. The reversal of 22000100112220 is 2221100100022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22000100112220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000100112223) 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, 162222720 + ... + 162358279.

It is an arithmetic number, because the mean of its divisors is an integer number (1925576782500).

Almost surely, 2^{22000100112220} is an apocalyptic number.

22000100112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000100112220 is an abundant number, since it is smaller than the sum of its proper divisors (24213742667780).

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

22000100112220 is a wasteful number, since it uses less digits than its factorization.

22000100112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324584397 (or 324584395 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22000100112220 its reverse (2221100100022), we get a palindrome (24221200212242).

The spelling of 22000100112220 in words is "twenty-two trillion, one hundred million, one hundred twelve thousand, two hundred twenty".