2220444024220 has 24 divisors (see below), whose sum is σ = 4664703519504. Its totient is φ = 887840263296.

The previous prime is 2220444024131. The next prime is 2220444024233. The reversal of 2220444024220 is 224204440222.

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, 21030174 + ... + 21135493.

It is an arithmetic number, because the mean of its divisors is an integer number (194362646646).

Almost surely, 2^{2220444024220} is an apocalyptic number.

2220444024220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220444024220 is an abundant number, since it is smaller than the sum of its proper divisors (2444259495284).

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

2220444024220 is a wasteful number, since it uses less digits than its factorization.

2220444024220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42168309 (or 42168307 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2220444024220 its reverse (224204440222), we get a palindrome (2444648464442).

The spelling of 2220444024220 in words is "two trillion, two hundred twenty billion, four hundred forty-four million, twenty-four thousand, two hundred twenty".