22220202200 has 48 divisors (see below), whose sum is σ = 59042255280. Its totient is φ = 7618354560.

The previous prime is 22220202197. The next prime is 22220202211. The reversal of 22220202200 is 220202222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 7934387 + ... + 7937186.

It is an arithmetic number, because the mean of its divisors is an integer number (1230046985).

Almost surely, 2^22220202200 is an apocalyptic number.

22220202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220202200 is an abundant number, since it is smaller than the sum of its proper divisors (36822053080).

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

22220202200 is a wasteful number, since it uses less digits than its factorization.

22220202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871596 (or 15871587 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22220202200 its reverse (220202222), we get a palindrome (22440404422).

The spelling of 22220202200 in words is "twenty-two billion, two hundred twenty million, two hundred two thousand, two hundred".