2122545315 has 32 divisors (see below), whose sum is σ = 3708237312. Its totient is φ = 1028160000.

The previous prime is 2122545311. The next prime is 2122545323. The reversal of 2122545315 is 5135452212.

It is not a de Polignac number, because 2122545315 - 2² = 2122545311 is a prime.

It is a super-2 number, since 2×2122545315² = 9010397228456898450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122545311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192810 + ... + 203520.

It is an arithmetic number, because the mean of its divisors is an integer number (115882416).

Almost surely, 2^2122545315 is an apocalyptic number.

2122545315 is a deficient number, since it is larger than the sum of its proper divisors (1585691997).

2122545315 is a wasteful number, since it uses less digits than its factorization.

2122545315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931.

The product of its digits is 12000, while the sum is 30.

The square root of 2122545315 is about 46071.0897960966. The cubic root of 2122545315 is about 1285.1455703708.

Adding to 2122545315 its reverse (5135452212), we get a palindrome (7257997527).

The spelling of 2122545315 in words is "two billion, one hundred twenty-two million, five hundred forty-five thousand, three hundred fifteen".