22439773 has 2 divisors, whose sum is σ = 22439774. Its totient is φ = 22439772.

The previous prime is 22439771. The next prime is 22439783. The reversal of 22439773 is 37793422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17656804 + 4782969 = 4202^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 22439773 - 2¹ = 22439771 is a prime.

Together with 22439771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22439771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11219886 + 11219887.

It is an arithmetic number, because the mean of its divisors is an integer number (11219887).

Almost surely, 2^22439773 is an apocalyptic number.

It is an amenable number.

22439773 is a deficient number, since it is larger than the sum of its proper divisors (1).

22439773 is an equidigital number, since it uses as much as digits as its factorization.

22439773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 22439773 is about 4737.0637530014. The cubic root of 22439773 is about 282.0586912362.

The spelling of 22439773 in words is "twenty-two million, four hundred thirty-nine thousand, seven hundred seventy-three".