2245115221 has 8 divisors (see below), whose sum is σ = 2364915200. Its totient is φ = 2125478880.

The previous prime is 2245115207. The next prime is 2245115227. The reversal of 2245115221 is 1225115422.

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 2245115221 - 2¹¹ = 2245113173 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 (2245115227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12216 + ... + 68113.

It is an arithmetic number, because the mean of its divisors is an integer number (295614400).

Almost surely, 2^2245115221 is an apocalyptic number.

It is an amenable number.

2245115221 is a deficient number, since it is larger than the sum of its proper divisors (119799979).

2245115221 is a wasteful number, since it uses less digits than its factorization.

2245115221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81819.

The product of its digits is 1600, while the sum is 25.

The square root of 2245115221 is about 47382.6468340467. The cubic root of 2245115221 is about 1309.4217328107.

The spelling of 2245115221 in words is "two billion, two hundred forty-five million, one hundred fifteen thousand, two hundred twenty-one".