228065877 has 24 divisors (see below), whose sum is σ = 355439448. Its totient is φ = 140083200.

The previous prime is 228065867. The next prime is 228065921. The reversal of 228065877 is 778560822.

It can be written as a sum of positive squares in 4 ways, for example, as 106316721 + 121749156 = 10311^2 + 11034^2 .

It is not a de Polignac number, because 228065877 - 2⁶ = 228065813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228065867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73477 + ... + 76517.

It is an arithmetic number, because the mean of its divisors is an integer number (14809977).

Almost surely, 2^228065877 is an apocalyptic number.

It is an amenable number.

228065877 is a deficient number, since it is larger than the sum of its proper divisors (127373571).

228065877 is a wasteful number, since it uses less digits than its factorization.

228065877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 228065877 is about 15101.8501184458. The cubic root of 228065877 is about 610.9703065046.

The spelling of 228065877 in words is "two hundred twenty-eight million, sixty-five thousand, eight hundred seventy-seven".