2249261216 has 24 divisors (see below), whose sum is σ = 4468865940. Its totient is φ = 1114311168.

The previous prime is 2249261207. The next prime is 2249261233. The reversal of 2249261216 is 6121629422.

It can be written as a sum of positive squares in 2 ways, for example, as 2222179600 + 27081616 = 47140^2 + 5204^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318941 + ... + 325916.

Almost surely, 2^2249261216 is an apocalyptic number.

It is an amenable number.

2249261216 is a deficient number, since it is larger than the sum of its proper divisors (2219604724).

2249261216 is a wasteful number, since it uses less digits than its factorization.

2249261216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644976 (or 644968 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 2249261216 is about 47426.3767960404. The cubic root of 2249261216 is about 1310.2272620111.

The spelling of 2249261216 in words is "two billion, two hundred forty-nine million, two hundred sixty-one thousand, two hundred sixteen".