229112225 has 6 divisors (see below), whose sum is σ = 284099190. Its totient is φ = 183289760.

The previous prime is 229112197. The next prime is 229112231. The reversal of 229112225 is 522211922.

It can be written as a sum of positive squares in 3 ways, for example, as 46348864 + 182763361 = 6808^2 + 13519^2 .

It is not a de Polignac number, because 229112225 - 2⁶ = 229112161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229112194 and 229112203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4582220 + ... + 4582269.

It is an arithmetic number, because the mean of its divisors is an integer number (47349865).

Almost surely, 2^229112225 is an apocalyptic number.

229112225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229112225 is a deficient number, since it is larger than the sum of its proper divisors (54986965).

229112225 is an equidigital number, since it uses as much as digits as its factorization.

229112225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164499 (or 9164494 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 229112225 is about 15136.4535146117. The cubic root of 229112225 is about 611.9032421755.

The spelling of 229112225 in words is "two hundred twenty-nine million, one hundred twelve thousand, two hundred twenty-five".