229199971 has 32 divisors (see below), whose sum is σ = 309044736. Its totient is φ = 164160000.

The previous prime is 229199969. The next prime is 229199981. The reversal of 229199971 is 179991922.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 229199971 - 2¹ = 229199969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229199951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401116 + ... + 401686.

It is an arithmetic number, because the mean of its divisors is an integer number (9657648).

Almost surely, 2^229199971 is an apocalyptic number.

229199971 is a deficient number, since it is larger than the sum of its proper divisors (79844765).

229199971 is a wasteful number, since it uses less digits than its factorization.

229199971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its digits is 183708, while the sum is 49.

The square root of 229199971 is about 15139.3517364516. The cubic root of 229199971 is about 611.9813483074.

The spelling of 229199971 in words is "two hundred twenty-nine million, one hundred ninety-nine thousand, nine hundred seventy-one".