228824777 has 8 divisors (see below), whose sum is σ = 242562600. Its totient is φ = 215117824.

The previous prime is 228824753. The next prime is 228824839. The reversal of 228824777 is 777428822.

It can be written as a sum of positive squares in 4 ways, for example, as 89401 + 228735376 = 299^2 + 15124^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228824777 - 2⁸ = 228824521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228824707) 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, 8549 + ... + 23037.

It is an arithmetic number, because the mean of its divisors is an integer number (30320325).

Almost surely, 2^228824777 is an apocalyptic number.

It is an amenable number.

228824777 is a deficient number, since it is larger than the sum of its proper divisors (13737823).

228824777 is a wasteful number, since it uses less digits than its factorization.

228824777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15435.

The product of its digits is 702464, while the sum is 47.

The square root of 228824777 is about 15126.9553116283. The cubic root of 228824777 is about 611.6472337604.

The spelling of 228824777 in words is "two hundred twenty-eight million, eight hundred twenty-four thousand, seven hundred seventy-seven".