22442115 has 8 divisors (see below), whose sum is σ = 35907408. Its totient is φ = 11969120.

The previous prime is 22442113. The next prime is 22442117. The reversal of 22442115 is 51124422.

It is an interprime number because it is at equal distance from previous prime (22442113) and next prime (22442117).

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

It is not a de Polignac number, because 22442115 - 2¹ = 22442113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22442091 and 22442100.

It is not an unprimeable number, because it can be changed into a prime (22442111) by changing a digit.

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, 748056 + ... + 748085.

It is an arithmetic number, because the mean of its divisors is an integer number (4488426).

Almost surely, 2^22442115 is an apocalyptic number.

22442115 is a deficient number, since it is larger than the sum of its proper divisors (13465293).

22442115 is a wasteful number, since it uses less digits than its factorization.

22442115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496149.

The product of its digits is 640, while the sum is 21.

The square root of 22442115 is about 4737.3109460959. The cubic root of 22442115 is about 282.0685035529.

Adding to 22442115 its reverse (51124422), we get a palindrome (73566537).

The spelling of 22442115 in words is "twenty-two million, four hundred forty-two thousand, one hundred fifteen".