228554845 has 8 divisors (see below), whose sum is σ = 274354776. Its totient is φ = 182784576.

The previous prime is 228554839. The next prime is 228554873. The reversal of 228554845 is 548455822.

It can be written as a sum of positive squares in 4 ways, for example, as 91126116 + 137428729 = 9546^2 + 11723^2 .

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 228554845 - 2¹⁹ = 228030557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16639 + ... + 27091.

It is an arithmetic number, because the mean of its divisors is an integer number (34294347).

Almost surely, 2^228554845 is an apocalyptic number.

It is an amenable number.

228554845 is a deficient number, since it is larger than the sum of its proper divisors (45799931).

228554845 is a wasteful number, since it uses less digits than its factorization.

228554845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14831.

The product of its digits is 512000, while the sum is 43.

The square root of 228554845 is about 15118.0304603477. The cubic root of 228554845 is about 611.4066302633.

The spelling of 228554845 in words is "two hundred twenty-eight million, five hundred fifty-four thousand, eight hundred forty-five".