2203222213220 has 192 divisors, whose sum is σ = 5846691787776. Its totient is φ = 679521976320.

The previous prime is 2203222213217. The next prime is 2203222213259. The reversal of 2203222213220 is 223122223022.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74486354 + ... + 74515926.

It is an arithmetic number, because the mean of its divisors is an integer number (30451519728).

Almost surely, 2^{2203222213220} is an apocalyptic number.

2203222213220 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 2203222213220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923345893888).

2203222213220 is an abundant number, since it is smaller than the sum of its proper divisors (3643469574556).

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

2203222213220 is a wasteful number, since it uses less digits than its factorization.

2203222213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30990 (or 30988 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 2203222213220 its reverse (223122223022), we get a palindrome (2426344436242).

The spelling of 2203222213220 in words is "two trillion, two hundred three billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred twenty".