228506486 has 32 divisors (see below), whose sum is σ = 404339040. Its totient is φ = 95832576.

The previous prime is 228506477. The next prime is 228506497. The reversal of 228506486 is 684605822.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3905 + ... + 21731.

It is an arithmetic number, because the mean of its divisors is an integer number (12635595).

Almost surely, 2^228506486 is an apocalyptic number.

228506486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228506486 is a deficient number, since it is larger than the sum of its proper divisors (175832554).

228506486 is a wasteful number, since it uses less digits than its factorization.

228506486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17888.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 228506486 is about 15116.4309941203. The cubic root of 228506486 is about 611.3635055320.

The spelling of 228506486 in words is "two hundred twenty-eight million, five hundred six thousand, four hundred eighty-six".