2243275640 has 32 divisors (see below), whose sum is σ = 5170480560. Its totient is φ = 875424000.

The previous prime is 2243275633. The next prime is 2243275649. The reversal of 2243275640 is 465723422.

It is a self number, because there is not a number n which added to its sum of digits gives 2243275640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243275649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682286 + ... + 685565.

Almost surely, 2^2243275640 is an apocalyptic number.

2243275640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243275640 is an abundant number, since it is smaller than the sum of its proper divisors (2927204920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243275640 is a wasteful number, since it uses less digits than its factorization.

2243275640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367903 (or 1367899 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 2243275640 is about 47363.2308864165. The cubic root of 2243275640 is about 1309.0640012766.

The spelling of 2243275640 in words is "two billion, two hundred forty-three million, two hundred seventy-five thousand, six hundred forty".