228507826 has 16 divisors (see below), whose sum is σ = 349879680. Its totient is φ = 111895920.

The previous prime is 228507823. The next prime is 228507827. The reversal of 228507826 is 628705822.

228507826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228507821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29191 + ... + 36181.

It is an arithmetic number, because the mean of its divisors is an integer number (21867480).

Almost surely, 2^228507826 is an apocalyptic number.

228507826 is a deficient number, since it is larger than the sum of its proper divisors (121371854).

228507826 is a wasteful number, since it uses less digits than its factorization.

228507826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 228507826 is about 15116.4753166868. The cubic root of 228507826 is about 611.3647005754.

The spelling of 228507826 in words is "two hundred twenty-eight million, five hundred seven thousand, eight hundred twenty-six".