2249806317 has 16 divisors (see below), whose sum is σ = 3281732928. Its totient is φ = 1359649280.

The previous prime is 2249806309. The next prime is 2249806337. The reversal of 2249806317 is 7136089422.

It is not a de Polignac number, because 2249806317 - 2³ = 2249806309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249806337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84918 + ... + 108215.

It is an arithmetic number, because the mean of its divisors is an integer number (205108308).

Almost surely, 2^2249806317 is an apocalyptic number.

It is an amenable number.

2249806317 is a deficient number, since it is larger than the sum of its proper divisors (1031926611).

2249806317 is a wasteful number, since it uses less digits than its factorization.

2249806317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193500.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2249806317 is about 47432.1232605077. The cubic root of 2249806317 is about 1310.3330965399. Note that the first 3 decimals are identical.

The spelling of 2249806317 in words is "two billion, two hundred forty-nine million, eight hundred six thousand, three hundred seventeen".