22673449 has 2 divisors, whose sum is σ = 22673450. Its totient is φ = 22673448.

The previous prime is 22673401. The next prime is 22673471. The reversal of 22673449 is 94437622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18429849 + 4243600 = 4293^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 22673449 - 2²³ = 14284841 is a prime.

It is not a weakly prime, because it can be changed into another prime (22673149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11336724 + 11336725.

It is an arithmetic number, because the mean of its divisors is an integer number (11336725).

Almost surely, 2^22673449 is an apocalyptic number.

It is an amenable number.

22673449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22673449 is an equidigital number, since it uses as much as digits as its factorization.

22673449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 22673449 is about 4761.6645198922. The cubic root of 22673449 is about 283.0343825673.

The spelling of 22673449 in words is "twenty-two million, six hundred seventy-three thousand, four hundred forty-nine".