229121273 has 2 divisors, whose sum is σ = 229121274. Its totient is φ = 229121272.

The previous prime is 229121261. The next prime is 229121297. The reversal of 229121273 is 372121922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160098409 + 69022864 = 12653^2 + 8308^2 .

It is a cyclic number.

It is not a de Polignac number, because 229121273 - 2⁸ = 229121017 is a prime.

It is a super-2 number, since 2×229121273² = 104993115482281058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229121773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114560636 + 114560637.

It is an arithmetic number, because the mean of its divisors is an integer number (114560637).

Almost surely, 2^229121273 is an apocalyptic number.

It is an amenable number.

229121273 is a deficient number, since it is larger than the sum of its proper divisors (1).

229121273 is an equidigital number, since it uses as much as digits as its factorization.

229121273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 229121273 is about 15136.7523927691. The cubic root of 229121273 is about 611.9112970747.

The spelling of 229121273 in words is "two hundred twenty-nine million, one hundred twenty-one thousand, two hundred seventy-three".