2281687243 has 16 divisors (see below), whose sum is σ = 2524032000. Its totient is φ = 2045234880.

The previous prime is 2281687241. The next prime is 2281687273. The reversal of 2281687243 is 3427861822.

It is a cyclic number.

It is not a de Polignac number, because 2281687243 - 2¹ = 2281687241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2281687243.

It is not an unprimeable number, because it can be changed into a prime (2281687241) 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, 910330 + ... + 912832.

It is an arithmetic number, because the mean of its divisors is an integer number (157752000).

Almost surely, 2^2281687243 is an apocalyptic number.

2281687243 is a deficient number, since it is larger than the sum of its proper divisors (242344757).

2281687243 is a wasteful number, since it uses less digits than its factorization.

2281687243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642.

The product of its digits is 258048, while the sum is 43.

The square root of 2281687243 is about 47767.0099859725. The cubic root of 2281687243 is about 1316.4934562584.

The spelling of 2281687243 in words is "two billion, two hundred eighty-one million, six hundred eighty-seven thousand, two hundred forty-three".