22189373 has 2 divisors, whose sum is σ = 22189374. Its totient is φ = 22189372.

The previous prime is 22189367. The next prime is 22189423. The reversal of 22189373 is 37398122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20994724 + 1194649 = 4582^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 22189373 - 2⁶ = 22189309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22189073) 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, 11094686 + 11094687.

It is an arithmetic number, because the mean of its divisors is an integer number (11094687).

Almost surely, 2^22189373 is an apocalyptic number.

It is an amenable number.

22189373 is a deficient number, since it is larger than the sum of its proper divisors (1).

22189373 is an equidigital number, since it uses as much as digits as its factorization.

22189373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 22189373 is about 4710.5597331952. The cubic root of 22189373 is about 281.0056229166.

The spelling of 22189373 in words is "twenty-two million, one hundred eighty-nine thousand, three hundred seventy-three".