21222202143300 has 144 divisors (see below), whose sum is σ = 63686826823872. Its totient is φ = 5451782976000.

The previous prime is 21222202143283. The next prime is 21222202143313. The reversal of 21222202143300 is 334120222212.

It is a super-2 number, since 2×21222202143300² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8343802 + ... + 10586001.

Almost surely, 2^{21222202143300} is an apocalyptic number.

21222202143300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21222202143300 is an abundant number, since it is smaller than the sum of its proper divisors (42464624680572).

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

21222202143300 is a wasteful number, since it uses less digits than its factorization.

21222202143300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18929958 (or 18929951 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21222202143300 its reverse (334120222212), we get a palindrome (21556322365512).

The spelling of 21222202143300 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred two million, one hundred forty-three thousand, three hundred".