228724365 has 8 divisors (see below), whose sum is σ = 365959008. Its totient is φ = 121986320.

The previous prime is 228724357. The next prime is 228724423. The reversal of 228724365 is 563427822.

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

It is not a de Polignac number, because 228724365 - 2³ = 228724357 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 7624131 + ... + 7624160.

It is an arithmetic number, because the mean of its divisors is an integer number (45744876).

Almost surely, 2^228724365 is an apocalyptic number.

It is an amenable number.

228724365 is a deficient number, since it is larger than the sum of its proper divisors (137234643).

228724365 is a wasteful number, since it uses less digits than its factorization.

228724365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15248299.

The product of its digits is 161280, while the sum is 39.

The square root of 228724365 is about 15123.6359715513. The cubic root of 228724365 is about 611.5577537828.

It can be divided in two parts, 2287 and 24365, that multiplied together give a palindrome (55722755).

The spelling of 228724365 in words is "two hundred twenty-eight million, seven hundred twenty-four thousand, three hundred sixty-five".