229690281 has 8 divisors (see below), whose sum is σ = 324268704. Its totient is φ = 144119360.

The previous prime is 229690273. The next prime is 229690289. The reversal of 229690281 is 182096922.

It is an interprime number because it is at equal distance from previous prime (229690273) and next prime (229690289).

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

It is a cyclic number.

It is not a de Polignac number, because 229690281 - 2³ = 229690273 is a prime.

It is a super-2 number, since 2×229690281² = 105515250371717922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229690289) 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, 2251815 + ... + 2251916.

It is an arithmetic number, because the mean of its divisors is an integer number (40533588).

Almost surely, 2^229690281 is an apocalyptic number.

It is an amenable number.

229690281 is a deficient number, since it is larger than the sum of its proper divisors (94578423).

229690281 is a wasteful number, since it uses less digits than its factorization.

229690281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503751.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 229690281 is about 15155.5363151556. The cubic root of 229690281 is about 612.4174258251.

The spelling of 229690281 in words is "two hundred twenty-nine million, six hundred ninety thousand, two hundred eighty-one".