2222100212220 has 96 divisors (see below), whose sum is σ = 7900800768000. Its totient is φ = 507908619072.

The previous prime is 2222100212201. The next prime is 2222100212263. The reversal of 2222100212220 is 222120012222.

2222100212220 is a `hidden beast` number, since 2 + 22 + 210 + 0 + 212 + 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 = 2222100212193 and 2222100212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293924820 + ... + 293932379.

It is an arithmetic number, because the mean of its divisors is an integer number (82300008000).

Almost surely, 2^{2222100212220} is an apocalyptic number.

2222100212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222100212220 is an abundant number, since it is smaller than the sum of its proper divisors (5678700555780).

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

2222100212220 is a wasteful number, since it uses less digits than its factorization.

2222100212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587857224 (or 587857216 counting only the distinct ones).

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

Adding to 2222100212220 its reverse (222120012222), we get a palindrome (2444220224442).

It can be divided in two parts, 22221002 and 12220, that added together give a palindrome (22233222).

The spelling of 2222100212220 in words is "two trillion, two hundred twenty-two billion, one hundred million, two hundred twelve thousand, two hundred twenty".