2221233041220 has 24 divisors (see below), whose sum is σ = 6219452515584. Its totient is φ = 592328810976.

The previous prime is 2221233041213. The next prime is 2221233041221. The reversal of 2221233041220 is 221403321222.

It is not an unprimeable number, because it can be changed into a prime (2221233041221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18510275284 + ... + 18510275403.

It is an arithmetic number, because the mean of its divisors is an integer number (259143854816).

Almost surely, 2^{2221233041220} is an apocalyptic number.

2221233041220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221233041220 is an abundant number, since it is smaller than the sum of its proper divisors (3998219474364).

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

2221233041220 is a wasteful number, since it uses less digits than its factorization.

2221233041220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37020550699 (or 37020550697 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2221233041220 its reverse (221403321222), we get a palindrome (2442636362442).

The spelling of 2221233041220 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-three million, forty-one thousand, two hundred twenty".