22220210221000 has 96 divisors (see below), whose sum is σ = 57151850104440. Its totient is φ = 8080076400000.

The previous prime is 22220210220991. The next prime is 22220210221043. The reversal of 22220210221000 is 12201202222.

It can be written as a sum of positive squares in 4 ways, for example, as 11507929967556 + 10712280253444 = 3392334^2 + 3272962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91698051 + ... + 91940050.

Almost surely, 2^{22220210221000} is an apocalyptic number.

22220210221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220210221000 is an abundant number, since it is smaller than the sum of its proper divisors (34931639883440).

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

22220210221000 is a wasteful number, since it uses less digits than its factorization.

22220210221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183638144 (or 183638119 counting only the distinct ones).

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

Adding to 22220210221000 its reverse (12201202222), we get a palindrome (22232411423222).

The spelling of 22220210221000 in words is "twenty-two trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-one thousand".