22022212100220 has 72 divisors (see below), whose sum is σ = 68222001766464. Its totient is φ = 5747641170048.

The previous prime is 22022212100183. The next prime is 22022212100233. The reversal of 22022212100220 is 2200121222022.

22022212100220 is a `hidden beast` number, since 2 + 202 + 221 + 21 + 0 + 0 + 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 = 22022212100193 and 22022212100202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1301540719 + ... + 1301557638.

It is an arithmetic number, because the mean of its divisors is an integer number (947527802312).

Almost surely, 2^{22022212100220} is an apocalyptic number.

22022212100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022212100220 is an abundant number, since it is smaller than the sum of its proper divisors (46199789666244).

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

22022212100220 is a wasteful number, since it uses less digits than its factorization.

22022212100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603098419 (or 2603098414 counting only the distinct ones).

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

Adding to 22022212100220 its reverse (2200121222022), we get a palindrome (24222333322242).

The spelling of 22022212100220 in words is "twenty-two trillion, twenty-two billion, two hundred twelve million, one hundred thousand, two hundred twenty".