2204210304220 has 96 divisors (see below), whose sum is σ = 4925116224000. Its totient is φ = 825761685504.

The previous prime is 2204210304157. The next prime is 2204210304227. The reversal of 2204210304220 is 224030124022.

It is a junction number, because it is equal to n+sod(n) for n = 2204210304191 and 2204210304200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204210304227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261498966 + ... + 261507394.

It is an arithmetic number, because the mean of its divisors is an integer number (51303294000).

Almost surely, 2^{2204210304220} is an apocalyptic number.

2204210304220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2204210304220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462558112000).

2204210304220 is an abundant number, since it is smaller than the sum of its proper divisors (2720905919780).

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

2204210304220 is a wasteful number, since it uses less digits than its factorization.

2204210304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12127 (or 12125 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2204210304220 its reverse (224030124022), we get a palindrome (2428240428242).

The spelling of 2204210304220 in words is "two trillion, two hundred four billion, two hundred ten million, three hundred four thousand, two hundred twenty".