22204245442220 has 24 divisors (see below), whose sum is σ = 46630528594944. Its totient is φ = 8881390907136.

The previous prime is 22204245442213. The next prime is 22204245442321. The reversal of 22204245442220 is 2224454240222.

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, 18611357 + ... + 19768436.

It is an arithmetic number, because the mean of its divisors is an integer number (1942938691456).

Almost surely, 2^{22204245442220} is an apocalyptic number.

22204245442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204245442220 is an abundant number, since it is smaller than the sum of its proper divisors (24426283152724).

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

22204245442220 is a wasteful number, since it uses less digits than its factorization.

22204245442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38408729 (or 38408727 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 22204245442220 its reverse (2224454240222), we get a palindrome (24428699682442).

The spelling of 22204245442220 in words is "twenty-two trillion, two hundred four billion, two hundred forty-five million, four hundred forty-two thousand, two hundred twenty".