22102115 has 16 divisors (see below), whose sum is σ = 30410688. Its totient is φ = 15106176.

The previous prime is 22102097. The next prime is 22102117. The reversal of 22102115 is 51120122.

It is a cyclic number.

It is not a de Polignac number, because 22102115 - 2⁶ = 22102051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22102115.

It is not an unprimeable number, because it can be changed into a prime (22102117) 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, 12209 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (1900668).

Almost surely, 2^22102115 is an apocalyptic number.

22102115 is a deficient number, since it is larger than the sum of its proper divisors (8308573).

22102115 is a wasteful number, since it uses less digits than its factorization.

22102115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 22102115 is about 4701.2886531248. The cubic root of 22102115 is about 280.6367947086.

Adding to 22102115 its reverse (51120122), we get a palindrome (73222237).

The spelling of 22102115 in words is "twenty-two million, one hundred two thousand, one hundred fifteen".