2249666288 has 20 divisors (see below), whose sum is σ = 4361346600. Its totient is φ = 1124157504.

The previous prime is 2249666281. The next prime is 2249666323. The reversal of 2249666288 is 8826669422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249666281) 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, 14195 + ... + 68562.

It is an arithmetic number, because the mean of its divisors is an integer number (218067330).

Almost surely, 2^2249666288 is an apocalyptic number.

It is an amenable number.

2249666288 is a deficient number, since it is larger than the sum of its proper divisors (2111680312).

2249666288 is a wasteful number, since it uses less digits than its factorization.

2249666288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84464 (or 84458 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 53.

The square root of 2249666288 is about 47430.6471387435. The cubic root of 2249666288 is about 1310.3059107271.

The spelling of 2249666288 in words is "two billion, two hundred forty-nine million, six hundred sixty-six thousand, two hundred eighty-eight".