2887122 has 32 divisors (see below), whose sum is σ = 6728832. Its totient is φ = 808704.

The previous prime is 2887117. The next prime is 2887133. The reversal of 2887122 is 2217882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2887122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578 + ... + 2874.

It is an arithmetic number, because the mean of its divisors is an integer number (210276).

2^2887122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2887122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3364416).

2887122 is an abundant number, since it is smaller than the sum of its proper divisors (3841710).

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

2887122 is a wasteful number, since it uses less digits than its factorization.

2887122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362.

The product of its digits is 3584, while the sum is 30.

The square root of 2887122 is about 1699.1533185678. The cubic root of 2887122 is about 142.3929143152.

The spelling of 2887122 in words is "two million, eight hundred eighty-seven thousand, one hundred twenty-two".