2222001002220 has 24 divisors (see below), whose sum is σ = 6221602806384. Its totient is φ = 592533600576.

The previous prime is 2222001002209. The next prime is 2222001002237. The reversal of 2222001002220 is 222001002222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2222001002220.

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, 18516674959 + ... + 18516675078.

It is an arithmetic number, because the mean of its divisors is an integer number (259233450266).

Almost surely, 2^{2222001002220} is an apocalyptic number.

2222001002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222001002220 is an abundant number, since it is smaller than the sum of its proper divisors (3999601804164).

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

2222001002220 is a wasteful number, since it uses less digits than its factorization.

2222001002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37033350049 (or 37033350047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2222001002220 its reverse (222001002222), we get a palindrome (2444002004442).

The spelling of 2222001002220 in words is "two trillion, two hundred twenty-two billion, one million, two thousand, two hundred twenty".