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2442245 = 51337573

2442245 has 8 divisors (see below), whose sum is σ = 3156216. Its totient is φ = 1803456.

The previous prime is 2442227. The next prime is 2442263. The reversal of 2442245 is 5422442.

It is an interprime number because it is at equal distance from previous prime (2442227) and next prime (2442263).

It can be written as a sum of positive squares in 4 ways, for example, as 417316 + 2024929 = 646^2 + 1423^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2442245 - 210 = 2441221 is a prime.

It is a d-powerful number, because it can be written as 218 + 45 + 47 + 220 + 220 + 48 + 5 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2442245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18722 + ... + 18851.

It is an arithmetic number, because the mean of its divisors is an integer number (394527).

22442245 is an apocalyptic number.

It is an amenable number.

2442245 is a deficient number, since it is larger than the sum of its proper divisors (713971).

2442245 is a wasteful number, since it uses less digits than its factorization.

2442245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37591.

The product of its digits is 2560, while the sum is 23.

The square root of 2442245 is about 1562.7683769516. The cubic root of 2442245 is about 134.6675863687.

Adding to 2442245 its reverse (5422442), we get a palindrome (7864687).

The spelling of 2442245 in words is "two million, four hundred forty-two thousand, two hundred forty-five".

Divisors: 1 5 13 65 37573 187865 488449 2442245