2243278261300 has 36 divisors (see below), whose sum is σ = 4868319720096. Its totient is φ = 897236485600.

The previous prime is 2243278261247. The next prime is 2243278261303. The reversal of 2243278261300 is 31628723422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243278261303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277899 + ... + 2136301.

It is an arithmetic number, because the mean of its divisors is an integer number (135231103336).

Almost surely, 2^{2243278261300} is an apocalyptic number.

2243278261300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243278261300 is an abundant number, since it is smaller than the sum of its proper divisors (2625041458796).

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

2243278261300 is a wasteful number, since it uses less digits than its factorization.

2243278261300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870488 (or 1870481 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 2243278261300 in words is "two trillion, two hundred forty-three billion, two hundred seventy-eight million, two hundred sixty-one thousand, three hundred".