22765801 has 2 divisors, whose sum is σ = 22765802. Its totient is φ = 22765800.

The previous prime is 22765793. The next prime is 22765823. The reversal of 22765801 is 10856722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18147600 + 4618201 = 4260^2 + 2149^2 .

It is a cyclic number.

It is not a de Polignac number, because 22765801 - 2³ = 22765793 is a prime.

It is not a weakly prime, because it can be changed into another prime (22765861) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11382900 + 11382901.

It is an arithmetic number, because the mean of its divisors is an integer number (11382901).

Almost surely, 2^22765801 is an apocalyptic number.

It is an amenable number.

22765801 is a deficient number, since it is larger than the sum of its proper divisors (1).

22765801 is an equidigital number, since it uses as much as digits as its factorization.

22765801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 22765801 is about 4771.3521144430. The cubic root of 22765801 is about 283.4181410103.

The spelling of 22765801 in words is "twenty-two million, seven hundred sixty-five thousand, eight hundred one".