22660933 has 2 divisors, whose sum is σ = 22660934. Its totient is φ = 22660932.

The previous prime is 22660931. The next prime is 22660943. The reversal of 22660933 is 33906622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20638849 + 2022084 = 4543^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 22660933 - 2¹ = 22660931 is a prime.

Together with 22660931, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22660895 and 22660904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22660931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11330466 + 11330467.

It is an arithmetic number, because the mean of its divisors is an integer number (11330467).

Almost surely, 2^22660933 is an apocalyptic number.

It is an amenable number.

22660933 is a deficient number, since it is larger than the sum of its proper divisors (1).

22660933 is an equidigital number, since it uses as much as digits as its factorization.

22660933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 22660933 is about 4760.3500921676. The cubic root of 22660933 is about 282.9822935893.

The spelling of 22660933 in words is "twenty-two million, six hundred sixty thousand, nine hundred thirty-three".