22125115 has 16 divisors (see below), whose sum is σ = 27993600. Its totient is φ = 16761472.

The previous prime is 22125113. The next prime is 22125151. The reversal of 22125115 is 51152122.

It is a cyclic number.

It is not a de Polignac number, because 22125115 - 2¹ = 22125113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22125092 and 22125101.

It is not an unprimeable number, because it can be changed into a prime (22125113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6246 + ... + 9124.

It is an arithmetic number, because the mean of its divisors is an integer number (1749600).

Almost surely, 2^22125115 is an apocalyptic number.

22125115 is a deficient number, since it is larger than the sum of its proper divisors (5868485).

22125115 is a wasteful number, since it uses less digits than its factorization.

22125115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

The product of its digits is 200, while the sum is 19.

The square root of 22125115 is about 4703.7341549029. The cubic root of 22125115 is about 280.7341067927.

Adding to 22125115 its reverse (51152122), we get a palindrome (73277237).

The spelling of 22125115 in words is "twenty-two million, one hundred twenty-five thousand, one hundred fifteen".