2122515 has 24 divisors (see below), whose sum is σ = 3723408. Its totient is φ = 1118400.

The previous prime is 2122513. The next prime is 2122531. The reversal of 2122515 is 5152212.

It is not a de Polignac number, because 2122515 - 2¹ = 2122513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122511) 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, 4312 + ... + 4778.

It is an arithmetic number, because the mean of its divisors is an integer number (155142).

2^2122515 is an apocalyptic number.

2122515 is a deficient number, since it is larger than the sum of its proper divisors (1600893).

2122515 is a wasteful number, since it uses less digits than its factorization.

2122515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 576 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 2122515 is about 1456.8853764109. The cubic root of 2122515 is about 128.5139452029.

Adding to 2122515 its reverse (5152212), we get a palindrome (7274727).

The spelling of 2122515 in words is "two million, one hundred twenty-two thousand, five hundred fifteen".