2220344455 has 16 divisors (see below), whose sum is σ = 3047872320. Its totient is φ = 1521107712.

The previous prime is 2220344417. The next prime is 2220344471. The reversal of 2220344455 is 5544430222.

It is a cyclic number.

It is not a de Polignac number, because 2220344455 - 2¹¹ = 2220342407 is a prime.

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, 9481 + ... + 67309.

It is an arithmetic number, because the mean of its divisors is an integer number (190492020).

Almost surely, 2^2220344455 is an apocalyptic number.

2220344455 is a deficient number, since it is larger than the sum of its proper divisors (827527865).

2220344455 is a wasteful number, since it uses less digits than its factorization.

2220344455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58938.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 2220344455 is about 47120.5311408944. The cubic root of 2220344455 is about 1304.5882163052.

Adding to 2220344455 its reverse (5544430222), we get a palindrome (7764774677).

The spelling of 2220344455 in words is "two billion, two hundred twenty million, three hundred forty-four thousand, four hundred fifty-five".