2222220122122 has 64 divisors (see below), whose sum is σ = 4493352019968. Its totient is φ = 796015800000.

The previous prime is 2222220122119. The next prime is 2222220122123. The reversal of 2222220122122 is 2212210222222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2222220122093 and 2222220122102.

It is not an unprimeable number, because it can be changed into a prime (2222220122123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1708654 + ... + 2713657.

It is an arithmetic number, because the mean of its divisors is an integer number (70208625312).

Almost surely, 2^{2222220122122} is an apocalyptic number.

2222220122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2222220122122 is an abundant number, since it is smaller than the sum of its proper divisors (2271131897846).

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

2222220122122 is a wasteful number, since it uses less digits than its factorization.

2222220122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422595.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2222220122122 its reverse (2212210222222), we get a palindrome (4434430344344).

The spelling of 2222220122122 in words is "two trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".