22134149 has 2 divisors, whose sum is σ = 22134150. Its totient is φ = 22134148.

The previous prime is 22134113. The next prime is 22134157. The reversal of 22134149 is 94143122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21669025 + 465124 = 4655^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 22134149 - 2⁸ = 22133893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22134199) 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, 11067074 + 11067075.

It is an arithmetic number, because the mean of its divisors is an integer number (11067075).

Almost surely, 2^22134149 is an apocalyptic number.

It is an amenable number.

22134149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22134149 is an equidigital number, since it uses as much as digits as its factorization.

22134149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 22134149 is about 4704.6943577665. The cubic root of 22134149 is about 280.7723108399.

The spelling of 22134149 in words is "twenty-two million, one hundred thirty-four thousand, one hundred forty-nine".