2215882 has 8 divisors (see below), whose sum is σ = 3519396. Its totient is φ = 1042752.

The previous prime is 2215867. The next prime is 2215901. The reversal of 2215882 is 2885122.

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 116281 = 1449^2 + 341^2 .

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

It is a d-powerful number, because it can be written as 2² + 2⁵ + 1 + 5⁹ + 8² + 8³ + 2¹⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2215882.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32553 + ... + 32620.

2^2215882 is an apocalyptic number.

2215882 is a deficient number, since it is larger than the sum of its proper divisors (1303514).

2215882 is a wasteful number, since it uses less digits than its factorization.

2215882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65192.

The product of its digits is 2560, while the sum is 28.

The square root of 2215882 is about 1488.5838908170. The cubic root of 2215882 is about 130.3713641688.

The spelling of 2215882 in words is "two million, two hundred fifteen thousand, eight hundred eighty-two".