228352527 has 20 divisors (see below), whose sum is σ = 367360840. Its totient is φ = 140523984.

The previous prime is 228352513. The next prime is 228352529. The reversal of 228352527 is 725253822.

It is a happy number.

228352527 is a `hidden beast` number, since 2 + 2 + 83 + 52 + 527 = 666.

228352527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228352527 - 2⁴ = 228352511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228352491 and 228352500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228352529) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107377 + ... + 109482.

It is an arithmetic number, because the mean of its divisors is an integer number (18368042).

Almost surely, 2^228352527 is an apocalyptic number.

228352527 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

228352527 is a deficient number, since it is larger than the sum of its proper divisors (139008313).

228352527 is a wasteful number, since it uses less digits than its factorization.

228352527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216884 (or 216875 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 228352527 is about 15111.3376972391. The cubic root of 228352527 is about 611.2261701727.

The spelling of 228352527 in words is "two hundred twenty-eight million, three hundred fifty-two thousand, five hundred twenty-seven".