22067849 has 2 divisors, whose sum is σ = 22067850. Its totient is φ = 22067848.

The previous prime is 22067831. The next prime is 22067891. The reversal of 22067849 is 94876022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16810000 + 5257849 = 4100^2 + 2293^2 .

It is a cyclic number.

It is not a de Polignac number, because 22067849 - 2²⁴ = 5290633 is a prime.

It is not a weakly prime, because it can be changed into another prime (22067809) 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, 11033924 + 11033925.

It is an arithmetic number, because the mean of its divisors is an integer number (11033925).

Almost surely, 2^22067849 is an apocalyptic number.

It is an amenable number.

22067849 is a deficient number, since it is larger than the sum of its proper divisors (1).

22067849 is an equidigital number, since it uses as much as digits as its factorization.

22067849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 22067849 is about 4697.6429195928. The cubic root of 22067849 is about 280.4916913368.

The spelling of 22067849 in words is "twenty-two million, sixty-seven thousand, eight hundred forty-nine".