2243278261299 has 16 divisors (see below), whose sum is σ = 3033498850560. Its totient is φ = 1474292893920.

The previous prime is 2243278261247. The next prime is 2243278261303. The reversal of 2243278261299 is 9921628723422.

It is not a de Polignac number, because 2243278261299 - 2¹² = 2243278257203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243278261099) 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, 1375372 + ... + 2525510.

It is an arithmetic number, because the mean of its divisors is an integer number (189593678160).

Almost surely, 2^{2243278261299} is an apocalyptic number.

2243278261299 is a deficient number, since it is larger than the sum of its proper divisors (790220589261).

2243278261299 is a wasteful number, since it uses less digits than its factorization.

2243278261299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159370.

The product of its digits is 10450944, while the sum is 57.

The spelling of 2243278261299 in words is "two trillion, two hundred forty-three billion, two hundred seventy-eight million, two hundred sixty-one thousand, two hundred ninety-nine".