273222889 has 2 divisors, whose sum is σ = 273222890. Its totient is φ = 273222888.

The previous prime is 273222857. The next prime is 273222899. The reversal of 273222889 is 988222372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197880489 + 75342400 = 14067^2 + 8680^2 .

It is a cyclic number.

It is not a de Polignac number, because 273222889 - 2⁵ = 273222857 is a prime.

It is not a weakly prime, because it can be changed into another prime (273222899) 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, 136611444 + 136611445.

It is an arithmetic number, because the mean of its divisors is an integer number (136611445).

Almost surely, 2^273222889 is an apocalyptic number.

It is an amenable number.

273222889 is a deficient number, since it is larger than the sum of its proper divisors (1).

273222889 is an equidigital number, since it uses as much as digits as its factorization.

273222889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 273222889 is about 16529.4551936838. The cubic root of 273222889 is about 648.8919100806.

The spelling of 273222889 in words is "two hundred seventy-three million, two hundred twenty-two thousand, eight hundred eighty-nine".