228480797 has 8 divisors (see below), whose sum is σ = 230070456. Its totient is φ = 226895872.

The previous prime is 228480793. The next prime is 228480829. The reversal of 228480797 is 797084822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70375321 + 158105476 = 8389^2 + 12574^2 .

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 228480797 - 2² = 228480793 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 (228480793) 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, 187133 + ... + 188349.

It is an arithmetic number, because the mean of its divisors is an integer number (28758807).

Almost surely, 2^228480797 is an apocalyptic number.

It is an amenable number.

228480797 is a deficient number, since it is larger than the sum of its proper divisors (1589659).

228480797 is a wasteful number, since it uses less digits than its factorization.

228480797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 228480797 is about 15115.5812657006. The cubic root of 228480797 is about 611.3405945767.

The spelling of 228480797 in words is "two hundred twenty-eight million, four hundred eighty thousand, seven hundred ninety-seven".