229672257 has 8 divisors (see below), whose sum is σ = 316789440. Its totient is φ = 147834960.

The previous prime is 229672241. The next prime is 229672307. The reversal of 229672257 is 752276922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229672257 - 2⁴ = 229672241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229672207) 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 in 7 ways as a sum of consecutive naturals, for example, 1319869 + ... + 1320042.

It is an arithmetic number, because the mean of its divisors is an integer number (39598680).

Almost surely, 2^229672257 is an apocalyptic number.

It is an amenable number.

229672257 is a deficient number, since it is larger than the sum of its proper divisors (87117183).

229672257 is a wasteful number, since it uses less digits than its factorization.

229672257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639943.

The product of its digits is 211680, while the sum is 42.

The square root of 229672257 is about 15154.9416693038. The cubic root of 229672257 is about 612.4014064266.

The spelling of 229672257 in words is "two hundred twenty-nine million, six hundred seventy-two thousand, two hundred fifty-seven".