2822215 has 24 divisors (see below), whose sum is σ = 3901968. Its totient is φ = 1943040.

The previous prime is 2822213. The next prime is 2822233. The reversal of 2822215 is 5122282.

It is not a de Polignac number, because 2822215 - 2¹ = 2822213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29047 + ... + 29143.

It is an arithmetic number, because the mean of its divisors is an integer number (162582).

2^2822215 is an apocalyptic number.

2822215 is a deficient number, since it is larger than the sum of its proper divisors (1079753).

2822215 is a wasteful number, since it uses less digits than its factorization.

2822215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 136 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 2822215 is about 1679.9449395739. The cubic root of 2822215 is about 141.3177449334.

Adding to 2822215 its reverse (5122282), we get a palindrome (7944497).

The spelling of 2822215 in words is "two million, eight hundred twenty-two thousand, two hundred fifteen".