2282143257 has 48 divisors (see below), whose sum is σ = 3759687360. Its totient is φ = 1324947456.

The previous prime is 2282143247. The next prime is 2282143267. The reversal of 2282143257 is 7523412822.

It is an interprime number because it is at equal distance from previous prime (2282143247) and next prime (2282143267).

It is not a de Polignac number, because 2282143257 - 2⁸ = 2282143001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2282143207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115873 + ... + 134129.

It is an arithmetic number, because the mean of its divisors is an integer number (78326820).

Almost surely, 2^2282143257 is an apocalyptic number.

It is an amenable number.

2282143257 is a deficient number, since it is larger than the sum of its proper divisors (1477544103).

2282143257 is a wasteful number, since it uses less digits than its factorization.

2282143257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18342 (or 18339 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2282143257 is about 47771.7830628081. The cubic root of 2282143257 is about 1316.5811544386.

It can be divided in two parts, 228 and 2143257, that added together give a triangular number (2143485 = T₂₀₇₀).

The spelling of 2282143257 in words is "two billion, two hundred eighty-two million, one hundred forty-three thousand, two hundred fifty-seven".