2587422 has 8 divisors (see below), whose sum is σ = 5174856. Its totient is φ = 862472.

The previous prime is 2587421. The next prime is 2587423. The reversal of 2587422 is 2247852.

It is an interprime number because it is at equal distance from previous prime (2587421) and next prime (2587423).

It is a sphenic number, since it is the product of 3 distinct primes.

2587422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2587422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215613 + ... + 215624.

It is an arithmetic number, because the mean of its divisors is an integer number (646857).

2^2587422 is an apocalyptic number.

2587422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2587422 is a wasteful number, since it uses less digits than its factorization.

2587422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431242.

The product of its digits is 8960, while the sum is 30.

The square root of 2587422 is about 1608.5465489068. The cubic root of 2587422 is about 137.2847895061.

The spelling of 2587422 in words is "two million, five hundred eighty-seven thousand, four hundred twenty-two".