22148173 has 2 divisors, whose sum is σ = 22148174. Its totient is φ = 22148172.

The previous prime is 22148153. The next prime is 22148177. The reversal of 22148173 is 37184122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 6953769 = 3898^2 + 2637^2 .

It is a cyclic number.

It is not a de Polignac number, because 22148173 - 2¹³ = 22139981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22148177) 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, 11074086 + 11074087.

It is an arithmetic number, because the mean of its divisors is an integer number (11074087).

Almost surely, 2^22148173 is an apocalyptic number.

It is an amenable number.

22148173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22148173 is an equidigital number, since it uses as much as digits as its factorization.

22148173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 22148173 is about 4706.1845480176. The cubic root of 22148173 is about 280.8315966006.

The spelling of 22148173 in words is "twenty-two million, one hundred forty-eight thousand, one hundred seventy-three".