232544228 has 24 divisors (see below), whose sum is σ = 468177024. Its totient is φ = 99000000.

The previous prime is 232544227. The next prime is 232544269. The reversal of 232544228 is 822445232.

It is a super-2 number, since 2×232544228² = 108153635952231968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232544194 and 232544203.

It is not an unprimeable number, because it can be changed into a prime (232544227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23273 + ... + 31728.

It is an arithmetic number, because the mean of its divisors is an integer number (19507376).

Almost surely, 2^232544228 is an apocalyptic number.

232544228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

232544228 is an abundant number, since it is smaller than the sum of its proper divisors (235632796).

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

232544228 is a wasteful number, since it uses less digits than its factorization.

232544228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55163 (or 55161 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

The square root of 232544228 is about 15249.4009062651. The cubic root of 232544228 is about 614.9434614338.

The spelling of 232544228 in words is "two hundred thirty-two million, five hundred forty-four thousand, two hundred twenty-eight".