2122415515 has 16 divisors (see below), whose sum is σ = 2805951456. Its totient is φ = 1528288000.

The previous prime is 2122415479. The next prime is 2122415521. The reversal of 2122415515 is 5155142212.

It is not a de Polignac number, because 2122415515 - 2²⁹ = 1585544603 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185482 + ... + 196591.

It is an arithmetic number, because the mean of its divisors is an integer number (175371966).

Almost surely, 2^2122415515 is an apocalyptic number.

2122415515 is a deficient number, since it is larger than the sum of its proper divisors (683535941).

2122415515 is a wasteful number, since it uses less digits than its factorization.

2122415515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382190.

The product of its digits is 4000, while the sum is 28.

The square root of 2122415515 is about 46069.6810820305. The cubic root of 2122415515 is about 1285.1193730039.

Adding to 2122415515 its reverse (5155142212), we get a palindrome (7277557727).

The spelling of 2122415515 in words is "two billion, one hundred twenty-two million, four hundred fifteen thousand, five hundred fifteen".