228506588 has 12 divisors (see below), whose sum is σ = 423409392. Its totient is φ = 107532480.

The previous prime is 228506581. The next prime is 228506617. The reversal of 228506588 is 885605822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228506581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680128 + ... + 1680263.

It is an arithmetic number, because the mean of its divisors is an integer number (35284116).

Almost surely, 2^228506588 is an apocalyptic number.

It is an amenable number.

228506588 is a deficient number, since it is larger than the sum of its proper divisors (194902804).

228506588 is a wasteful number, since it uses less digits than its factorization.

228506588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360412 (or 3360410 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 228506588 is about 15116.4343679321. The cubic root of 228506588 is about 611.3635964982.

The spelling of 228506588 in words is "two hundred twenty-eight million, five hundred six thousand, five hundred eighty-eight".