22222000112220 has 72 divisors (see below), whose sum is σ = 67439314182240. Its totient is φ = 5923002476160.

The previous prime is 22222000112189. The next prime is 22222000112293. The reversal of 22222000112220 is 2221100022222.

22222000112220 is a `hidden beast` number, since 222 + 220 + 0 + 0 + 1 + 1 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22222000112193 and 22222000112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29462176 + ... + 30207015.

It is an arithmetic number, because the mean of its divisors is an integer number (936657141420).

Almost surely, 2^{22222000112220} is an apocalyptic number.

22222000112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222000112220 is an abundant number, since it is smaller than the sum of its proper divisors (45217314070020).

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

22222000112220 is a wasteful number, since it uses less digits than its factorization.

22222000112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59671275 (or 59671270 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22222000112220 its reverse (2221100022222), we get a palindrome (24443100134442).

The spelling of 22222000112220 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twelve thousand, two hundred twenty".