22000212210220 has 24 divisors (see below), whose sum is σ = 46230622352208. Its totient is φ = 8794336939200.

The previous prime is 22000212210161. The next prime is 22000212210247. The reversal of 22000212210220 is 2201221200022.

It is a junction number, because it is equal to n+sod(n) for n = 22000212210194 and 22000212210203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359215171 + ... + 359276410.

It is an arithmetic number, because the mean of its divisors is an integer number (1926275931342).

Almost surely, 2^{22000212210220} is an apocalyptic number.

22000212210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000212210220 is an abundant number, since it is smaller than the sum of its proper divisors (24230410141988).

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

22000212210220 is a wasteful number, since it uses less digits than its factorization.

22000212210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718493121 (or 718493119 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22000212210220 its reverse (2201221200022), we get a palindrome (24201433410242).

The spelling of 22000212210220 in words is "twenty-two trillion, two hundred twelve million, two hundred ten thousand, two hundred twenty".