22185341 has 2 divisors, whose sum is σ = 22185342. Its totient is φ = 22185340.

The previous prime is 22185337. The next prime is 22185343. The reversal of 22185341 is 14358122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21659716 + 525625 = 4654^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 22185341 - 2² = 22185337 is a prime.

Together with 22185343, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22185341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22185343) 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, 11092670 + 11092671.

It is an arithmetic number, because the mean of its divisors is an integer number (11092671).

Almost surely, 2^22185341 is an apocalyptic number.

It is an amenable number.

22185341 is a deficient number, since it is larger than the sum of its proper divisors (1).

22185341 is an equidigital number, since it uses as much as digits as its factorization.

22185341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 22185341 is about 4710.1317391343. The cubic root of 22185341 is about 280.9886015057.

The spelling of 22185341 in words is "twenty-two million, one hundred eighty-five thousand, three hundred forty-one".