22816265 has 4 divisors (see below), whose sum is σ = 27379524. Its totient is φ = 18253008.

The previous prime is 22816249. The next prime is 22816289. The reversal of 22816265 is 56261822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56261822 = 2 ⋅28130911.

It can be written as a sum of positive squares in 2 ways, for example, as 7166329 + 15649936 = 2677^2 + 3956^2 .

It is a cyclic number.

It is not a de Polignac number, because 22816265 - 2⁴ = 22816249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281622 + ... + 2281631.

It is an arithmetic number, because the mean of its divisors is an integer number (6844881).

Almost surely, 2^22816265 is an apocalyptic number.

It is an amenable number.

22816265 is a deficient number, since it is larger than the sum of its proper divisors (4563259).

22816265 is an equidigital number, since it uses as much as digits as its factorization.

22816265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563258.

The product of its digits is 11520, while the sum is 32.

The square root of 22816265 is about 4776.6374155885. The cubic root of 22816265 is about 283.6274001853.

The spelling of 22816265 in words is "twenty-two million, eight hundred sixteen thousand, two hundred sixty-five".