229120925 has 24 divisors (see below), whose sum is σ = 312985920. Its totient is φ = 164995200.

The previous prime is 229120921. The next prime is 229120949. The reversal of 229120925 is 529021922.

It is not a de Polignac number, because 229120925 - 2² = 229120921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229120891 and 229120900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229120921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24281 + ... + 32369.

It is an arithmetic number, because the mean of its divisors is an integer number (13041080).

Almost surely, 2^229120925 is an apocalyptic number.

229120925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229120925 is a deficient number, since it is larger than the sum of its proper divisors (83864995).

229120925 is a wasteful number, since it uses less digits than its factorization.

229120925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213 (or 8208 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 229120925 is about 15136.7408975644. The cubic root of 229120925 is about 611.9109872748.

The spelling of 229120925 in words is "two hundred twenty-nine million, one hundred twenty thousand, nine hundred twenty-five".