2220244617 has 4 divisors (see below), whose sum is σ = 2960326160. Its totient is φ = 1480163076.

The previous prime is 2220244613. The next prime is 2220244627. The reversal of 2220244617 is 7164420222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2220244617 - 2² = 2220244613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220244613) 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, 370040767 + ... + 370040772.

It is an arithmetic number, because the mean of its divisors is an integer number (740081540).

Almost surely, 2^2220244617 is an apocalyptic number.

It is an amenable number.

2220244617 is a deficient number, since it is larger than the sum of its proper divisors (740081543).

2220244617 is an equidigital number, since it uses as much as digits as its factorization.

2220244617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740081542.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 2220244617 is about 47119.4717393988. The cubic root of 2220244617 is about 1304.5686623677.

Adding to 2220244617 its reverse (7164420222), we get a palindrome (9384664839).

The spelling of 2220244617 in words is "two billion, two hundred twenty million, two hundred forty-four thousand, six hundred seventeen".