229271972 has 12 divisors (see below), whose sum is σ = 402122700. Its totient is φ = 114379776.

The previous prime is 229271951. The next prime is 229271989. The reversal of 229271972 is 279172922.

229271972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49336576 + 179935396 = 7024^2 + 13414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62033 + ... + 65624.

It is an arithmetic number, because the mean of its divisors is an integer number (33510225).

Almost surely, 2^229271972 is an apocalyptic number.

It is an amenable number.

229271972 is a deficient number, since it is larger than the sum of its proper divisors (172850728).

229271972 is a wasteful number, since it uses less digits than its factorization.

229271972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128110 (or 128108 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 229271972 is about 15141.7294917060. The cubic root of 229271972 is about 612.0454243129.

The spelling of 229271972 in words is "two hundred twenty-nine million, two hundred seventy-one thousand, nine hundred seventy-two".