2220344653 has 4 divisors (see below), whose sum is σ = 2350953180. Its totient is φ = 2089736128.

The previous prime is 2220344639. The next prime is 2220344663. The reversal of 2220344653 is 3564430222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1619016169 + 601328484 = 40237^2 + 24522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220344653 - 2⁹ = 2220344141 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 (2220344663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65304238 + ... + 65304271.

It is an arithmetic number, because the mean of its divisors is an integer number (587738295).

Almost surely, 2^2220344653 is an apocalyptic number.

It is an amenable number.

2220344653 is a deficient number, since it is larger than the sum of its proper divisors (130608527).

2220344653 is a wasteful number, since it uses less digits than its factorization.

2220344653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130608526.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 2220344653 is about 47120.5332418894. The cubic root of 2220344653 is about 1304.5882550843.

Adding to 2220344653 its reverse (3564430222), we get a palindrome (5784774875).

The spelling of 2220344653 in words is "two billion, two hundred twenty million, three hundred forty-four thousand, six hundred fifty-three".