229970 has 32 divisors (see below), whose sum is σ = 468720. Its totient is φ = 80640.

The previous prime is 229963. The next prime is 229979. The reversal of 229970 is 79922.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11881 + 218089 = 109^2 + 467^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (229979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3740 + ... + 3800.

2²²⁹⁹⁷⁰ is an apocalyptic number.

229970 is an abundant number, since it is smaller than the sum of its proper divisors (238750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229970 is a wasteful number, since it uses less digits than its factorization.

229970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 229970 is about 479.5518741492. The cubic root of 229970 is about 61.2665927557.

The spelling of 229970 in words is "two hundred twenty-nine thousand, nine hundred seventy".