228754661 has 8 divisors (see below), whose sum is σ = 242143200. Its totient is φ = 215501040.

The previous prime is 228754649. The next prime is 228754681. The reversal of 228754661 is 166457822.

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

It is a de Polignac number, because none of the positive numbers 2^k-228754661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228754681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30230 + ... + 37031.

It is an arithmetic number, because the mean of its divisors is an integer number (30267900).

Almost surely, 2^228754661 is an apocalyptic number.

It is an amenable number.

228754661 is a deficient number, since it is larger than the sum of its proper divisors (13388539).

228754661 is a wasteful number, since it uses less digits than its factorization.

228754661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67459.

The product of its digits is 161280, while the sum is 41.

The square root of 228754661 is about 15124.6375493762. The cubic root of 228754661 is about 611.5847541649.

The spelling of 228754661 in words is "two hundred twenty-eight million, seven hundred fifty-four thousand, six hundred sixty-one".