2215380045 has 32 divisors (see below), whose sum is σ = 3574455552. Its totient is φ = 1171625472.

The previous prime is 2215380017. The next prime is 2215380047. The reversal of 2215380045 is 5400835122.

It is not a de Polignac number, because 2215380045 - 2⁶ = 2215379981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2215379994 and 2215380021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215380047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262889 + ... + 1264641.

It is an arithmetic number, because the mean of its divisors is an integer number (111701736).

Almost surely, 2^2215380045 is an apocalyptic number.

It is an amenable number.

2215380045 is a deficient number, since it is larger than the sum of its proper divisors (1359075507).

2215380045 is a wasteful number, since it uses less digits than its factorization.

2215380045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2215380045 is about 47067.8238821384. The cubic root of 2215380045 is about 1303.6151925530.

The spelling of 2215380045 in words is "two billion, two hundred fifteen million, three hundred eighty thousand, forty-five".