2122015 has 16 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 1378080.

The previous prime is 2122013. The next prime is 2122031. The reversal of 2122015 is 5102212.

It is not a de Polignac number, because 2122015 - 2¹ = 2122013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121986 and 2122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931 + ... + 2260.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^2122015 is an apocalyptic number.

2122015 is a deficient number, since it is larger than the sum of its proper divisors (942305).

2122015 is a wasteful number, since it uses less digits than its factorization.

2122015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2122015 is about 1456.7137673545. The cubic root of 2122015 is about 128.5038530844.

Adding to 2122015 its reverse (5102212), we get a palindrome (7224227).

The spelling of 2122015 in words is "two million, one hundred twenty-two thousand, fifteen".