228415673 has 4 divisors (see below), whose sum is σ = 228931728. Its totient is φ = 227899620.

The previous prime is 228415669. The next prime is 228415679. The reversal of 228415673 is 376514822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228415673 - 2² = 228415669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228415679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257363 + ... + 258248.

It is an arithmetic number, because the mean of its divisors is an integer number (57232932).

Almost surely, 2^228415673 is an apocalyptic number.

It is an amenable number.

228415673 is a deficient number, since it is larger than the sum of its proper divisors (516055).

228415673 is an equidigital number, since it uses as much as digits as its factorization.

228415673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516054.

The product of its digits is 80640, while the sum is 38.

The square root of 228415673 is about 15113.4269111939. The cubic root of 228415673 is about 611.2825054818.

The spelling of 228415673 in words is "two hundred twenty-eight million, four hundred fifteen thousand, six hundred seventy-three".