22022212022220 has 24 divisors (see below), whose sum is σ = 61662193662384. Its totient is φ = 5872589872576.

The previous prime is 22022212022159. The next prime is 22022212022227. The reversal of 22022212022220 is 2222021222022.

It is a super-2 number, since 2×22022212022220² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022212022227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183518433459 + ... + 183518433578.

It is an arithmetic number, because the mean of its divisors is an integer number (2569258069266).

Almost surely, 2^{22022212022220} is an apocalyptic number.

22022212022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022212022220 is an abundant number, since it is smaller than the sum of its proper divisors (39639981640164).

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

22022212022220 is a wasteful number, since it uses less digits than its factorization.

22022212022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367036867049 (or 367036867047 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22022212022220 its reverse (2222021222022), we get a palindrome (24244233244242).

The spelling of 22022212022220 in words is "twenty-two trillion, twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred twenty".