22604773 has 2 divisors, whose sum is σ = 22604774. Its totient is φ = 22604772.

The previous prime is 22604759. The next prime is 22604789. The reversal of 22604773 is 37740622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 636804 = 4687^2 + 798^2 .

It is a cyclic number.

It is not a de Polignac number, because 22604773 - 2⁵ = 22604741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22604723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11302386 + 11302387.

It is an arithmetic number, because the mean of its divisors is an integer number (11302387).

Almost surely, 2^22604773 is an apocalyptic number.

It is an amenable number.

22604773 is a deficient number, since it is larger than the sum of its proper divisors (1).

22604773 is an equidigital number, since it uses as much as digits as its factorization.

22604773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 22604773 is about 4754.4477071475. The cubic root of 22604773 is about 282.7483309925.

The spelling of 22604773 in words is "twenty-two million, six hundred four thousand, seven hundred seventy-three".