2221300212220 has 24 divisors (see below), whose sum is σ = 4664861473104. Its totient is φ = 888495127296.

The previous prime is 2221300212217. The next prime is 2221300212233. The reversal of 2221300212220 is 222120031222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821502 + ... + 2262181.

It is an arithmetic number, because the mean of its divisors is an integer number (194369228046).

Almost surely, 2^{2221300212220} is an apocalyptic number.

2221300212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221300212220 is an abundant number, since it is smaller than the sum of its proper divisors (2443561260884).

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

2221300212220 is a wasteful number, since it uses less digits than its factorization.

2221300212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119709 (or 3119707 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2221300212220 its reverse (222120031222), we get a palindrome (2443420243442).

The spelling of 2221300212220 in words is "two trillion, two hundred twenty-one billion, three hundred million, two hundred twelve thousand, two hundred twenty".