229009325 has 12 divisors (see below), whose sum is σ = 284678580. Its totient is φ = 182751360.

The previous prime is 229009219. The next prime is 229009349. The reversal of 229009325 is 523900922.

229009325 = 65² + 66² + ... + 882².

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 34880836 + 194128489 = 5906^2 + 13933^2 .

It is a de Polignac number, because none of the positive numbers 2^k-229009325 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229009291 and 229009300.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 974 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (23723215).

Almost surely, 2^229009325 is an apocalyptic number.

229009325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229009325 is a deficient number, since it is larger than the sum of its proper divisors (55669255).

229009325 is a wasteful number, since it uses less digits than its factorization.

229009325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22816 (or 22811 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 229009325 is about 15133.0540539575. The cubic root of 229009325 is about 611.8116214682.

The spelling of 229009325 in words is "two hundred twenty-nine million, nine thousand, three hundred twenty-five".