2222220001122 has 64 divisors (see below), whose sum is σ = 5390987857920. Its totient is φ = 672926518800.

The previous prime is 2222220001109. The next prime is 2222220001123. The reversal of 2222220001122 is 2211000222222.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2222220001095 and 2222220001104.

It is not an unprimeable number, because it can be changed into a prime (2222220001123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 469254 + ... + 2159777.

It is an arithmetic number, because the mean of its divisors is an integer number (84234185280).

Almost surely, 2^{2222220001122} is an apocalyptic number.

2222220001122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2222220001122 is an abundant number, since it is smaller than the sum of its proper divisors (3168767856798).

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

2222220001122 is a wasteful number, since it uses less digits than its factorization.

2222220001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630476 (or 2630470 counting only the distinct ones).

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

Adding to 2222220001122 its reverse (2211000222222), we get a palindrome (4433220223344).

The spelling of 2222220001122 in words is "two trillion, two hundred twenty-two billion, two hundred twenty million, one thousand, one hundred twenty-two".