228566877 has 16 divisors (see below), whose sum is σ = 379955712. Its totient is φ = 118735920.

The previous prime is 228566843. The next prime is 228566881. The reversal of 228566877 is 778665822.

It is a happy number.

It is not a de Polignac number, because 228566877 - 2¹⁴ = 228550493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228566837) 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, 494503 + ... + 494964.

It is an arithmetic number, because the mean of its divisors is an integer number (23747232).

Almost surely, 2^228566877 is an apocalyptic number.

It is an amenable number.

228566877 is a deficient number, since it is larger than the sum of its proper divisors (151388835).

228566877 is a wasteful number, since it uses less digits than its factorization.

228566877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989488.

The product of its digits is 2257920, while the sum is 51.

The square root of 228566877 is about 15118.4283905438. The cubic root of 228566877 is about 611.4173590018.

The spelling of 228566877 in words is "two hundred twenty-eight million, five hundred sixty-six thousand, eight hundred seventy-seven".