228451793 has 8 divisors (see below), whose sum is σ = 230234400. Its totient is φ = 226675168.

The previous prime is 228451787. The next prime is 228451823. The reversal of 228451793 is 397154822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228451793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228451793.

It is not an unprimeable number, because it can be changed into a prime (228451703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100730 + ... + 102972.

It is an arithmetic number, because the mean of its divisors is an integer number (28779300).

Almost surely, 2^228451793 is an apocalyptic number.

It is an amenable number.

228451793 is a deficient number, since it is larger than the sum of its proper divisors (1782607).

228451793 is a wasteful number, since it uses less digits than its factorization.

228451793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its digits is 120960, while the sum is 41.

The square root of 228451793 is about 15114.6218278857. The cubic root of 228451793 is about 611.3147250461.

The spelling of 228451793 in words is "two hundred twenty-eight million, four hundred fifty-one thousand, seven hundred ninety-three".