2220344405 has 8 divisors (see below), whose sum is σ = 2664720384. Its totient is φ = 1776070800.

The previous prime is 2220344393. The next prime is 2220344407. The reversal of 2220344405 is 5044430222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220344405 - 2¹⁰ = 2220343381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220344407) 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, 35300 + ... + 75410.

It is an arithmetic number, because the mean of its divisors is an integer number (333090048).

Almost surely, 2^2220344405 is an apocalyptic number.

It is an amenable number.

2220344405 is a deficient number, since it is larger than the sum of its proper divisors (444375979).

2220344405 is a wasteful number, since it uses less digits than its factorization.

2220344405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51187.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2220344405 is about 47120.5306103401. The cubic root of 2220344405 is about 1304.5882065125.

Adding to 2220344405 its reverse (5044430222), we get a palindrome (7264774627).

It can be divided in two parts, 22203 and 44405, that multiplied together give a triangular number (985924215 = T₄₄₄₀₅).

The spelling of 2220344405 in words is "two billion, two hundred twenty million, three hundred forty-four thousand, four hundred five".