22716265 has 16 divisors (see below), whose sum is σ = 32026176. Its totient is φ = 15249600.

The previous prime is 22716263. The next prime is 22716299. The reversal of 22716265 is 56261722.

It is not a de Polignac number, because 22716265 - 2¹ = 22716263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22716263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15171 + ... + 16600.

It is an arithmetic number, because the mean of its divisors is an integer number (2001636).

Almost surely, 2^22716265 is an apocalyptic number.

It is an amenable number.

22716265 is a deficient number, since it is larger than the sum of its proper divisors (9309911).

22716265 is a wasteful number, since it uses less digits than its factorization.

22716265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31800.

The product of its digits is 10080, while the sum is 31.

The square root of 22716265 is about 4766.1583062253. The cubic root of 22716265 is about 283.2124289993.

Adding to 22716265 its reverse (56261722), we get a palindrome (78977987).

The spelling of 22716265 in words is "twenty-two million, seven hundred sixteen thousand, two hundred sixty-five".