2217434245 has 32 divisors (see below), whose sum is σ = 2904975360. Its totient is φ = 1615161600.

The previous prime is 2217434243. The next prime is 2217434257. The reversal of 2217434245 is 5424347122.

It is not a de Polignac number, because 2217434245 - 2¹ = 2217434243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2217434245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217434243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540236 + ... + 1541674.

It is an arithmetic number, because the mean of its divisors is an integer number (90780480).

Almost surely, 2^2217434245 is an apocalyptic number.

It is an amenable number.

2217434245 is a deficient number, since it is larger than the sum of its proper divisors (687541115).

2217434245 is a wasteful number, since it uses less digits than its factorization.

2217434245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765.

The product of its digits is 53760, while the sum is 34.

The square root of 2217434245 is about 47089.6405274026. The cubic root of 2217434245 is about 1304.0179916236.

The spelling of 2217434245 in words is "two billion, two hundred seventeen million, four hundred thirty-four thousand, two hundred forty-five".