22162115 has 8 divisors (see below), whose sum is σ = 26636688. Its totient is φ = 17701600.

The previous prime is 22162073. The next prime is 22162121. The reversal of 22162115 is 51126122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22162115 - 2⁸ = 22161859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 6666.

It is an arithmetic number, because the mean of its divisors is an integer number (3329586).

Almost surely, 2^22162115 is an apocalyptic number.

22162115 is a deficient number, since it is larger than the sum of its proper divisors (4474573).

22162115 is an equidigital number, since it uses as much as digits as its factorization.

22162115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029.

The product of its digits is 240, while the sum is 20.

The square root of 22162115 is about 4707.6655573649. The cubic root of 22162115 is about 280.8905109085.

Adding to 22162115 its reverse (51126122), we get a palindrome (73288237).

The spelling of 22162115 in words is "twenty-two million, one hundred sixty-two thousand, one hundred fifteen".