2215827 has 6 divisors (see below), whose sum is σ = 3200652. Its totient is φ = 1477212.

The previous prime is 2215823. The next prime is 2215847. The reversal of 2215827 is 7285122.

It is not a de Polignac number, because 2215827 - 2² = 2215823 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 2⁷ + 1 + 5⁴ + 8⁷ + 2⁸ + 7⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2215827.

It is not an unprimeable number, because it can be changed into a prime (2215823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123093 + ... + 123110.

It is an arithmetic number, because the mean of its divisors is an integer number (533442).

2^2215827 is an apocalyptic number.

2215827 is a deficient number, since it is larger than the sum of its proper divisors (984825).

2215827 is a wasteful number, since it uses less digits than its factorization.

2215827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246209 (or 246206 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2215827 is about 1488.5654167688. The cubic root of 2215827 is about 130.3702855187.

The spelling of 2215827 in words is "two million, two hundred fifteen thousand, eight hundred twenty-seven".