228756885 has 32 divisors (see below), whose sum is σ = 418970880. Its totient is φ = 104406528.

The previous prime is 228756877. The next prime is 228756907. The reversal of 228756885 is 588657822.

228756885 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 228756885 - 2³ = 228756877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83599 + ... + 86291.

It is an arithmetic number, because the mean of its divisors is an integer number (13092840).

Almost surely, 2^228756885 is an apocalyptic number.

It is an amenable number.

228756885 is a deficient number, since it is larger than the sum of its proper divisors (190213995).

228756885 is a wasteful number, since it uses less digits than its factorization.

228756885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517.

The product of its digits is 2150400, while the sum is 51.

The square root of 228756885 is about 15124.7110716205. The cubic root of 228756885 is about 611.5867361428.

The spelling of 228756885 in words is "two hundred twenty-eight million, seven hundred fifty-six thousand, eight hundred eighty-five".