22242115 has 16 divisors (see below), whose sum is σ = 31023360. Its totient is φ = 14991840.

The previous prime is 22242109. The next prime is 22242161. The reversal of 22242115 is 51124222.

It is not a de Polignac number, because 22242115 - 2³ = 22242107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22242092 and 22242101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3321 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (1938960).

Almost surely, 2^22242115 is an apocalyptic number.

22242115 is a deficient number, since it is larger than the sum of its proper divisors (8781245).

22242115 is a wasteful number, since it uses less digits than its factorization.

22242115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842.

The product of its digits is 320, while the sum is 19.

The square root of 22242115 is about 4716.1546836379. The cubic root of 22242115 is about 281.2280878402.

Adding to 22242115 its reverse (51124222), we get a palindrome (73366337).

The spelling of 22242115 in words is "twenty-two million, two hundred forty-two thousand, one hundred fifteen".