229349081 has 16 divisors (see below), whose sum is σ = 259722960. Its totient is φ = 201035520.

The previous prime is 229349069. The next prime is 229349089. The reversal of 229349081 is 180943922.

It can be written as a sum of positive squares in 8 ways, for example, as 95160025 + 134189056 = 9755^2 + 11584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229349081 is a prime.

It is a super-2 number, since 2×229349081² = 105202001911089122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229349089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18011 + ... + 27983.

It is an arithmetic number, because the mean of its divisors is an integer number (16232685).

Almost surely, 2^229349081 is an apocalyptic number.

It is an amenable number.

229349081 is a deficient number, since it is larger than the sum of its proper divisors (30373879).

229349081 is a wasteful number, since it uses less digits than its factorization.

229349081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 229349081 is about 15144.2755191524. The cubic root of 229349081 is about 612.1140312173.

The spelling of 229349081 in words is "two hundred twenty-nine million, three hundred forty-nine thousand, eighty-one".