228056477 has 16 divisors (see below), whose sum is σ = 265655808. Its totient is φ = 193688880.

The previous prime is 228056467. The next prime is 228056503. The reversal of 228056477 is 774650822.

It is not a de Polignac number, because 228056477 - 2⁴ = 228056461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228056407) 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 15 ways as a sum of consecutive naturals, for example, 398 + ... + 21360.

It is an arithmetic number, because the mean of its divisors is an integer number (16603488).

Almost surely, 2^228056477 is an apocalyptic number.

It is an amenable number.

228056477 is a deficient number, since it is larger than the sum of its proper divisors (37599331).

228056477 is a wasteful number, since it uses less digits than its factorization.

228056477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21040.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 228056477 is about 15101.5388950928. The cubic root of 228056477 is about 610.9619124391.

The spelling of 228056477 in words is "two hundred twenty-eight million, fifty-six thousand, four hundred seventy-seven".