229375385 has 8 divisors (see below), whose sum is σ = 275747976. Its totient is φ = 183168640.

The previous prime is 229375381. The next prime is 229375403. The reversal of 229375385 is 583573922.

It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 226291849 = 1756^2 + 15043^2 .

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

It is not a de Polignac number, because 229375385 - 2² = 229375381 is a prime.

It is a super-2 number, since 2×229375385² = 105226134487796450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229375381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38396 + ... + 43965.

It is an arithmetic number, because the mean of its divisors is an integer number (34468497).

Almost surely, 2^229375385 is an apocalyptic number.

It is an amenable number.

229375385 is a deficient number, since it is larger than the sum of its proper divisors (46372591).

229375385 is an equidigital number, since it uses as much as digits as its factorization.

229375385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82923.

The product of its digits is 453600, while the sum is 44.

The square root of 229375385 is about 15145.1439412110. The cubic root of 229375385 is about 612.1374314012.

The spelling of 229375385 in words is "two hundred twenty-nine million, three hundred seventy-five thousand, three hundred eighty-five".