229178090 has 32 divisors (see below), whose sum is σ = 420840576. Its totient is φ = 89841600.

The previous prime is 229178021. The next prime is 229178099. The reversal of 229178090 is 90871922.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229178099) 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, 102929 + ... + 105131.

It is an arithmetic number, because the mean of its divisors is an integer number (13151268).

Almost surely, 2^229178090 is an apocalyptic number.

229178090 is a deficient number, since it is larger than the sum of its proper divisors (191662486).

229178090 is a wasteful number, since it uses less digits than its factorization.

229178090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 229178090 is about 15138.6290660680. The cubic root of 229178090 is about 611.9618730431.

The spelling of 229178090 in words is "two hundred twenty-nine million, one hundred seventy-eight thousand, ninety".