229043985 has 8 divisors (see below), whose sum is σ = 366470400. Its totient is φ = 122156784.

The previous prime is 229043981. The next prime is 229043987. The reversal of 229043985 is 589340922.

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

It is not a de Polignac number, because 229043985 - 2² = 229043981 is a prime.

It is a super-2 number, since 2×229043985² = 104922294129360450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229043981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7634785 + ... + 7634814.

It is an arithmetic number, because the mean of its divisors is an integer number (45808800).

Almost surely, 2^229043985 is an apocalyptic number.

It is an amenable number.

229043985 is a deficient number, since it is larger than the sum of its proper divisors (137426415).

229043985 is a wasteful number, since it uses less digits than its factorization.

229043985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15269607.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 229043985 is about 15134.1991859497. The cubic root of 229043985 is about 611.8424853076.

The spelling of 229043985 in words is "two hundred twenty-nine million, forty-three thousand, nine hundred eighty-five".