22022200021122 has 24 divisors (see below), whose sum is σ = 54531161957376. Its totient is φ = 6292057148856.

The previous prime is 22022200021121. The next prime is 22022200021123. The reversal of 22022200021122 is 22112000222022.

It is an interprime number because it is at equal distance from previous prime (22022200021121) and next prime (22022200021123).

It is a super-2 number, since 2×22022200021122² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22022200021095 and 22022200021104.

It is not an unprimeable number, because it can be changed into a prime (22022200021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87389682498 + ... + 87389682749.

It is an arithmetic number, because the mean of its divisors is an integer number (2272131748224).

Almost surely, 2^{22022200021122} is an apocalyptic number.

22022200021122 is an abundant number, since it is smaller than the sum of its proper divisors (32508961936254).

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

22022200021122 is a wasteful number, since it uses less digits than its factorization.

22022200021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174779365262 (or 174779365259 counting only the distinct ones).

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

Adding to 22022200021122 its reverse (22112000222022), we get a palindrome (44134200243144).

The spelling of 22022200021122 in words is "twenty-two trillion, twenty-two billion, two hundred million, twenty-one thousand, one hundred twenty-two".