22220404002200 has 48 divisors (see below), whose sum is σ = 51663086684160. Its totient is φ = 8888050224000.

The previous prime is 22220404002193. The next prime is 22220404002241. The reversal of 22220404002200 is 220040402222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16344590 + ... + 17651810.

It is an arithmetic number, because the mean of its divisors is an integer number (1076314305920).

Almost surely, 2^{22220404002200} is an apocalyptic number.

22220404002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220404002200 is an abundant number, since it is smaller than the sum of its proper divisors (29442682681960).

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

22220404002200 is a wasteful number, since it uses less digits than its factorization.

22220404002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392228 (or 1392219 counting only the distinct ones).

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

Adding to 22220404002200 its reverse (220040402222), we get a palindrome (22440444404422).

The spelling of 22220404002200 in words is "twenty-two trillion, two hundred twenty billion, four hundred four million, two thousand, two hundred".