22021022222200 has 48 divisors (see below), whose sum is σ = 51481743473160. Its totient is φ = 8759743632000.

The previous prime is 22021022222099. The next prime is 22021022222219. The reversal of 22021022222200 is 222222012022.

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, 304121566 + ... + 304193965.

Almost surely, 2^{22021022222200} is an apocalyptic number.

22021022222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021022222200 is an abundant number, since it is smaller than the sum of its proper divisors (29460721250960).

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

22021022222200 is a wasteful number, since it uses less digits than its factorization.

22021022222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608315728 (or 608315719 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22021022222200 its reverse (222222012022), we get a palindrome (22243244234222).

The spelling of 22021022222200 in words is "twenty-two trillion, twenty-one billion, twenty-two million, two hundred twenty-two thousand, two hundred".