22032149 has 2 divisors, whose sum is σ = 22032150. Its totient is φ = 22032148.

The previous prime is 22032133. The next prime is 22032161. The reversal of 22032149 is 94123022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20295025 + 1737124 = 4505^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 22032149 - 2⁴ = 22032133 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 (22032169) 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, 11016074 + 11016075.

It is an arithmetic number, because the mean of its divisors is an integer number (11016075).

Almost surely, 2^22032149 is an apocalyptic number.

It is an amenable number.

22032149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22032149 is an equidigital number, since it uses as much as digits as its factorization.

22032149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22032149 is about 4693.8416036334. The cubic root of 22032149 is about 280.3403556688.

The spelling of 22032149 in words is "twenty-two million, thirty-two thousand, one hundred forty-nine".