22756873 has 2 divisors, whose sum is σ = 22756874. Its totient is φ = 22756872.

The previous prime is 22756859. The next prime is 22756891. The reversal of 22756873 is 37865722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16345849 + 6411024 = 4043^2 + 2532^2 .

It is a cyclic number.

It is not a de Polignac number, because 22756873 - 2²¹ = 20659721 is a prime.

It is not a weakly prime, because it can be changed into another prime (22756273) 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, 11378436 + 11378437.

It is an arithmetic number, because the mean of its divisors is an integer number (11378437).

Almost surely, 2^22756873 is an apocalyptic number.

It is an amenable number.

22756873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22756873 is an equidigital number, since it uses as much as digits as its factorization.

22756873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 22756873 is about 4770.4164388447. The cubic root of 22756873 is about 283.3810870683.

The spelling of 22756873 in words is "twenty-two million, seven hundred fifty-six thousand, eight hundred seventy-three".