22002122122 has 8 divisors (see below), whose sum is σ = 33015231972. Its totient is φ = 10997044800.

The previous prime is 22002122083. The next prime is 22002122167. The reversal of 22002122122 is 22122120022.

It can be written as a sum of positive squares in 2 ways, for example, as 21691692961 + 310429161 = 147281^2 + 17619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22002122096 and 22002122105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001279 + ... + 2012242.

Almost surely, 2^22002122122 is an apocalyptic number.

22002122122 is a deficient number, since it is larger than the sum of its proper divisors (11013109850).

22002122122 is a wasteful number, since it uses less digits than its factorization.

22002122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016264.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22002122122 its reverse (22122120022), we get a palindrome (44124242144).

The spelling of 22002122122 in words is "twenty-two billion, two million, one hundred twenty-two thousand, one hundred twenty-two".