2245217449 has 4 divisors (see below), whose sum is σ = 2247838164. Its totient is φ = 2242596736.

The previous prime is 2245217431. The next prime is 2245217467. The reversal of 2245217449 is 9447125422.

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

It is an interprime number because it is at equal distance from previous prime (2245217431) and next prime (2245217467).

It can be written as a sum of positive squares in 2 ways, for example, as 2112045849 + 133171600 = 45957^2 + 11540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245217449 - 2⁵ = 2245217417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245227449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309072 + ... + 1310785.

It is an arithmetic number, because the mean of its divisors is an integer number (561959541).

Almost surely, 2^2245217449 is an apocalyptic number.

It is an amenable number.

2245217449 is a deficient number, since it is larger than the sum of its proper divisors (2620715).

2245217449 is an equidigital number, since it uses as much as digits as its factorization.

2245217449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620714.

The product of its digits is 161280, while the sum is 40.

The square root of 2245217449 is about 47383.7255711283. The cubic root of 2245217449 is about 1309.4416067028.

The spelling of 2245217449 in words is "two billion, two hundred forty-five million, two hundred seventeen thousand, four hundred forty-nine".