2180228045 has 16 divisors (see below), whose sum is σ = 2627856000. Its totient is φ = 1736481600.

The previous prime is 2180228021. The next prime is 2180228051. The reversal of 2180228045 is 5408220812.

It is not a de Polignac number, because 2180228045 - 2²⁰ = 2179179469 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1453706 + ... + 1455204.

It is an arithmetic number, because the mean of its divisors is an integer number (164241000).

Almost surely, 2^2180228045 is an apocalyptic number.

It is an amenable number.

2180228045 is a deficient number, since it is larger than the sum of its proper divisors (447627955).

2180228045 is a wasteful number, since it uses less digits than its factorization.

2180228045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 2180228045 is about 46692.9121494901. The cubic root of 2180228045 is about 1296.6834682221.

Adding to 2180228045 its reverse (5408220812), we get a palindrome (7588448857).

The spelling of 2180228045 in words is "two billion, one hundred eighty million, two hundred twenty-eight thousand, forty-five".