229972 has 6 divisors (see below), whose sum is σ = 402458. Its totient is φ = 114984.

The previous prime is 229963. The next prime is 229979. The reversal of 229972 is 279922.

It can be written as a sum of positive squares in only one way, i.e., 188356 + 41616 = 434^2 + 204^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 28743 + ... + 28750.

2²²⁹⁹⁷² is an apocalyptic number.

It is an amenable number.

229972 is a deficient number, since it is larger than the sum of its proper divisors (172486).

229972 is a wasteful number, since it uses less digits than its factorization.

229972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57497 (or 57495 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 229972 is about 479.5539594248. The cubic root of 229972 is about 61.2667703627.

The spelling of 229972 in words is "two hundred twenty-nine thousand, nine hundred seventy-two".