2204959849 has 3 divisors (see below), whose sum is σ = 2205006807. Its totient is φ = 2204912892.

The previous prime is 2204959829. The next prime is 2204959921. The reversal of 2204959849 is 9489594022.

The square root of 2204959849 is 46957.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9489594022 = 2 ⋅4744797011.

It can be written as a sum of positive squares in only one way, i.e., 599515225 + 1605444624 = 24485^2 + 40068^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2204959849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2204959796 and 2204959805.

It is not an unprimeable number, because it can be changed into a prime (2204959819) 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 2 ways as a sum of consecutive naturals, for example, 23479 + ... + 70435.

It is an arithmetic number, because the mean of its divisors is an integer number (735002269).

Almost surely, 2^2204959849 is an apocalyptic number.

2204959849 is the 46957-th square number.

2204959849 is the 23479-th centered octagonal number.

It is an amenable number.

2204959849 is a deficient number, since it is larger than the sum of its proper divisors (46958).

2204959849 is an frugal number, since it uses more digits than its factorization.

2204959849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93914 (or 46957 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The cubic root of 2204959849 is about 1301.5680976954.

The spelling of 2204959849 in words is "two billion, two hundred four million, nine hundred fifty-nine thousand, eight hundred forty-nine".