228578741 has 8 divisors (see below), whose sum is σ = 232241760. Its totient is φ = 224923248.

The previous prime is 228578737. The next prime is 228578747. The reversal of 228578741 is 147875822.

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 228578741 - 2² = 228578737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228578692 and 228578701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228578747) 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 7 ways as a sum of consecutive naturals, for example, 118910 + ... + 120816.

It is an arithmetic number, because the mean of its divisors is an integer number (29030220).

Almost surely, 2^228578741 is an apocalyptic number.

It is an amenable number.

228578741 is a deficient number, since it is larger than the sum of its proper divisors (3663019).

228578741 is a wasteful number, since it uses less digits than its factorization.

228578741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763.

The product of its digits is 250880, while the sum is 44.

The square root of 228578741 is about 15118.8207542784. The cubic root of 228578741 is about 611.4279375688.

The spelling of 228578741 in words is "two hundred twenty-eight million, five hundred seventy-eight thousand, seven hundred forty-one".