2287874557 has 4 divisors (see below), whose sum is σ = 2289793500. Its totient is φ = 2285955616.

The previous prime is 2287874551. The next prime is 2287874597. The reversal of 2287874557 is 7554787822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7554787822 = 2 ⋅3777393911.

It can be written as a sum of positive squares in 2 ways, for example, as 1343295801 + 944578756 = 36651^2 + 30734^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287874557 - 2⁷ = 2287874429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2287874498 and 2287874507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287874551) 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 3 ways as a sum of consecutive naturals, for example, 957682 + ... + 960067.

It is an arithmetic number, because the mean of its divisors is an integer number (572448375).

Almost surely, 2^2287874557 is an apocalyptic number.

It is an amenable number.

2287874557 is a deficient number, since it is larger than the sum of its proper divisors (1918943).

2287874557 is a wasteful number, since it uses less digits than its factorization.

2287874557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918942.

The product of its digits is 8780800, while the sum is 55.

The square root of 2287874557 is about 47831.7316956014. The cubic root of 2287874557 is about 1317.6823727273.

The spelling of 2287874557 in words is "two billion, two hundred eighty-seven million, eight hundred seventy-four thousand, five hundred fifty-seven".