22255273 has 2 divisors, whose sum is σ = 22255274. Its totient is φ = 22255272.

The previous prime is 22255271. The next prime is 22255339. The reversal of 22255273 is 37255222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22250089 + 5184 = 4717^2 + 72^2 .

It is a cyclic number.

It is not a de Polignac number, because 22255273 - 2¹ = 22255271 is a prime.

Together with 22255271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22255271) 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, 11127636 + 11127637.

It is an arithmetic number, because the mean of its divisors is an integer number (11127637).

Almost surely, 2^22255273 is an apocalyptic number.

It is an amenable number.

22255273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22255273 is an equidigital number, since it uses as much as digits as its factorization.

22255273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 28.

The square root of 22255273 is about 4717.5494697989. The cubic root of 22255273 is about 281.2835332527.

The spelling of 22255273 in words is "twenty-two million, two hundred fifty-five thousand, two hundred seventy-three".