22095149 has 2 divisors, whose sum is σ = 22095150. Its totient is φ = 22095148.

The previous prime is 22095137. The next prime is 22095167. The reversal of 22095149 is 94159022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 145924 = 4685^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 22095149 - 2⁴ = 22095133 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22095109) 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 as a sum of consecutive naturals, namely, 11047574 + 11047575.

It is an arithmetic number, because the mean of its divisors is an integer number (11047575).

Almost surely, 2^22095149 is an apocalyptic number.

It is an amenable number.

22095149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22095149 is an equidigital number, since it uses as much as digits as its factorization.

22095149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 22095149 is about 4700.5477340412. The cubic root of 22095149 is about 280.6073085211.

The spelling of 22095149 in words is "twenty-two million, ninety-five thousand, one hundred forty-nine".