22220002122122 has 64 divisors (see below), whose sum is σ = 39026262288384. Its totient is φ = 9292015595520.

The previous prime is 22220002122091. The next prime is 22220002122133. The reversal of 22220002122122 is 22122120002222.

It is a junction number, because it is equal to n+sod(n) for n = 22220002122094 and 22220002122103.

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, 266926247 + ... + 267009477.

It is an arithmetic number, because the mean of its divisors is an integer number (609785348256).

Almost surely, 2^{22220002122122} is an apocalyptic number.

22220002122122 is a deficient number, since it is larger than the sum of its proper divisors (16806260166262).

22220002122122 is a wasteful number, since it uses less digits than its factorization.

22220002122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86103.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22220002122122 its reverse (22122120002222), we get a palindrome (44342122124344).

The spelling of 22220002122122 in words is "twenty-two trillion, two hundred twenty billion, two million, one hundred twenty-two thousand, one hundred twenty-two".