22807273 has 2 divisors, whose sum is σ = 22807274. Its totient is φ = 22807272.

The previous prime is 22807271. The next prime is 22807303. The reversal of 22807273 is 37270822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22686169 + 121104 = 4763^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 22807273 - 2¹ = 22807271 is a prime.

Together with 22807271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22807271) 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, 11403636 + 11403637.

It is an arithmetic number, because the mean of its divisors is an integer number (11403637).

Almost surely, 2^22807273 is an apocalyptic number.

It is an amenable number.

22807273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22807273 is an equidigital number, since it uses as much as digits as its factorization.

22807273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 22807273 is about 4775.6960749193. The cubic root of 22807273 is about 283.5901356477.

The spelling of 22807273 in words is "twenty-two million, eight hundred seven thousand, two hundred seventy-three".