22200222022220 has 24 divisors (see below), whose sum is σ = 50858690451408. Its totient is φ = 8072808008000.

The previous prime is 22200222022219. The next prime is 22200222022301. The reversal of 22200222022220 is 2222022200222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22200222022192 and 22200222022201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50455049831 + ... + 50455050270.

It is an arithmetic number, because the mean of its divisors is an integer number (2119112102142).

Almost surely, 2^{22200222022220} is an apocalyptic number.

22200222022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200222022220 is an abundant number, since it is smaller than the sum of its proper divisors (28658468429188).

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

22200222022220 is a wasteful number, since it uses less digits than its factorization.

22200222022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100910100121 (or 100910100119 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22200222022220 its reverse (2222022200222), we get a palindrome (24422244222442).

It can be divided in two parts, 222002 and 22022220, that added together give a palindrome (22244222).

The spelling of 22200222022220 in words is "twenty-two trillion, two hundred billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty".