22022211122220 has 96 divisors (see below), whose sum is σ = 65292800061888. Its totient is φ = 5526853558272.

The previous prime is 22022211122129. The next prime is 22022211122279. The reversal of 22022211122220 is 2222111222022.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19249374 + ... + 20361306.

It is an arithmetic number, because the mean of its divisors is an integer number (680133333978).

Almost surely, 2^{22022211122220} is an apocalyptic number.

22022211122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022211122220 is an abundant number, since it is smaller than the sum of its proper divisors (43270588939668).

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

22022211122220 is a wasteful number, since it uses less digits than its factorization.

22022211122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131379 (or 1131377 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22022211122220 its reverse (2222111222022), we get a palindrome (24244322344242).

The spelling of 22022211122220 in words is "twenty-two trillion, twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty".