2220344300440 has 64 divisors (see below), whose sum is σ = 5733961047360. Its totient is φ = 757993666560.

The previous prime is 2220344300431. The next prime is 2220344300507. The reversal of 2220344300440 is 440034430222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2220344300399 and 2220344300408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16951501 + ... + 17081980.

It is an arithmetic number, because the mean of its divisors is an integer number (89593141365).

Almost surely, 2^{2220344300440} is an apocalyptic number.

2220344300440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220344300440 is an abundant number, since it is smaller than the sum of its proper divisors (3513616746920).

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

2220344300440 is a wasteful number, since it uses less digits than its factorization.

2220344300440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34033732 (or 34033728 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 2220344300440 its reverse (440034430222), we get a palindrome (2660378730662).

The spelling of 2220344300440 in words is "two trillion, two hundred twenty billion, three hundred forty-four million, three hundred thousand, four hundred forty".