2220617 has 8 divisors (see below), whose sum is σ = 2625600. Its totient is φ = 1837584.

The previous prime is 2220553. The next prime is 2220643. The reversal of 2220617 is 7160222.

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

It is not a de Polignac number, because 2220617 - 2⁶ = 2220553 is a prime.

It is a super-2 number, since 2×2220617² = 9862279721378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220697) 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, 5267 + ... + 5672.

It is an arithmetic number, because the mean of its divisors is an integer number (328200).

2^2220617 is an apocalyptic number.

It is an amenable number.

2220617 is a deficient number, since it is larger than the sum of its proper divisors (404983).

2220617 is a wasteful number, since it uses less digits than its factorization.

2220617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10975.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2220617 is about 1490.1734798338. The cubic root of 2220617 is about 130.4641593076.

Adding to 2220617 its reverse (7160222), we get a palindrome (9380839).

The spelling of 2220617 in words is "two million, two hundred twenty thousand, six hundred seventeen".