22665011 has 2 divisors, whose sum is σ = 22665012. Its totient is φ = 22665010.

The previous prime is 22664989. The next prime is 22665067. The reversal of 22665011 is 11056622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22665011 - 2⁶ = 22664947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22665091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332505 + 11332506.

It is an arithmetic number, because the mean of its divisors is an integer number (11332506).

Almost surely, 2^22665011 is an apocalyptic number.

22665011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22665011 is an equidigital number, since it uses as much as digits as its factorization.

22665011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 22665011 is about 4760.7784027405. The cubic root of 22665011 is about 282.9992674797. Note that the first 3 decimals are identical.

The spelling of 22665011 in words is "twenty-two million, six hundred sixty-five thousand, eleven".