2204945755 has 4 divisors (see below), whose sum is σ = 2645934912. Its totient is φ = 1763956600.

The previous prime is 2204945707. The next prime is 2204945779. The reversal of 2204945755 is 5575494022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2204945755 - 2⁹ = 2204945243 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 220494571 + ... + 220494580.

It is an arithmetic number, because the mean of its divisors is an integer number (661483728).

Almost surely, 2^2204945755 is an apocalyptic number.

2204945755 is a deficient number, since it is larger than the sum of its proper divisors (440989157).

2204945755 is an equidigital number, since it uses as much as digits as its factorization.

2204945755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440989156.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 2204945755 is about 46956.8499262887. The cubic root of 2204945755 is about 1301.5653245021.

The spelling of 2204945755 in words is "two billion, two hundred four million, nine hundred forty-five thousand, seven hundred fifty-five".