22665233 has 16 divisors (see below), whose sum is σ = 25816320. Its totient is φ = 19766016.

The previous prime is 22665217. The next prime is 22665241. The reversal of 22665233 is 33256622.

It is a cyclic number.

It is not a de Polignac number, because 22665233 - 2⁴ = 22665217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22665196 and 22665205.

It is not an unprimeable number, because it can be changed into a prime (22625233) 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 15 ways as a sum of consecutive naturals, for example, 14435 + ... + 15927.

It is an arithmetic number, because the mean of its divisors is an integer number (1613520).

Almost surely, 2^22665233 is an apocalyptic number.

It is an amenable number.

22665233 is a deficient number, since it is larger than the sum of its proper divisors (3151087).

22665233 is a wasteful number, since it uses less digits than its factorization.

22665233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its digits is 12960, while the sum is 29.

The square root of 22665233 is about 4760.8017181983. The cubic root of 22665233 is about 283.0001914535. Note that the first 3 decimals are identical.

The spelling of 22665233 in words is "twenty-two million, six hundred sixty-five thousand, two hundred thirty-three".