229972552 has 16 divisors (see below), whose sum is σ = 446067900. Its totient is φ = 111021120.

The previous prime is 229972531. The next prime is 229972553. The reversal of 229972552 is 255279922.

It can be written as a sum of positive squares in 2 ways, for example, as 217680516 + 12292036 = 14754^2 + 3506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 229972499 and 229972508.

It is not an unprimeable number, because it can be changed into a prime (229972553) 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 3 ways as a sum of consecutive naturals, for example, 495399 + ... + 495862.

Almost surely, 2^229972552 is an apocalyptic number.

It is an amenable number.

229972552 is a deficient number, since it is larger than the sum of its proper divisors (216095348).

229972552 is a wasteful number, since it uses less digits than its factorization.

229972552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991296 (or 991292 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 229972552 is about 15164.8459273413. The cubic root of 229972552 is about 612.6681938205.

The spelling of 229972552 in words is "two hundred twenty-nine million, nine hundred seventy-two thousand, five hundred fifty-two".