22272315 has 16 divisors (see below), whose sum is σ = 38377248. Its totient is φ = 10964736.

The previous prime is 22272301. The next prime is 22272331. The reversal of 22272315 is 51327222.

It is a happy number.

It is not a de Polignac number, because 22272315 - 2⁸ = 22272059 is a prime.

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, 56914 + ... + 57303.

It is an arithmetic number, because the mean of its divisors is an integer number (2398578).

Almost surely, 2^22272315 is an apocalyptic number.

22272315 is a deficient number, since it is larger than the sum of its proper divisors (16104933).

22272315 is a wasteful number, since it uses less digits than its factorization.

22272315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114238.

The product of its digits is 1680, while the sum is 24.

The square root of 22272315 is about 4719.3553585209. The cubic root of 22272315 is about 281.3553126600.

Adding to 22272315 its reverse (51327222), we get a palindrome (73599537).

The spelling of 22272315 in words is "twenty-two million, two hundred seventy-two thousand, three hundred fifteen".