2204905489 has 4 divisors (see below), whose sum is σ = 2205126000. Its totient is φ = 2204684980.

The previous prime is 2204905481. The next prime is 2204905499. The reversal of 2204905489 is 9845094022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2204905489 - 2³ = 2204905481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2204905481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94507 + ... + 115504.

It is an arithmetic number, because the mean of its divisors is an integer number (551281500).

Almost surely, 2^2204905489 is an apocalyptic number.

It is an amenable number.

2204905489 is a deficient number, since it is larger than the sum of its proper divisors (220511).

2204905489 is a wasteful number, since it uses less digits than its factorization.

2204905489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220510.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2204905489 is about 46956.4211689946. The cubic root of 2204905489 is about 1301.5574015334.

The spelling of 2204905489 in words is "two billion, two hundred four million, nine hundred five thousand, four hundred eighty-nine".