22220202212200 has 48 divisors (see below), whose sum is σ = 51666395287500. Its totient is φ = 8887319569920.

The previous prime is 22220202212177. The next prime is 22220202212227. The reversal of 22220202212200 is 221220202222.

It can be written as a sum of positive squares in 6 ways, for example, as 16795784206756 + 5424418005444 = 4098266^2 + 2329038^2 .

It is a super-3 number, since 3×22220202212200³ (a number of 41 digits) contains 333 as substring.

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, 2414575 + ... + 7090174.

Almost surely, 2^{22220202212200} is an apocalyptic number.

22220202212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220202212200 is an abundant number, since it is smaller than the sum of its proper divisors (29446193075300).

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

22220202212200 is a wasteful number, since it uses less digits than its factorization.

22220202212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9516454 (or 9516445 counting only the distinct ones).

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

Adding to 22220202212200 its reverse (221220202222), we get a palindrome (22441422414422).

The spelling of 22220202212200 in words is "twenty-two trillion, two hundred twenty billion, two hundred two million, two hundred twelve thousand, two hundred".