228566326 has 8 divisors (see below), whose sum is σ = 363017160. Its totient is φ = 107560608.

The previous prime is 228566323. The next prime is 228566339. The reversal of 228566326 is 623665822.

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

It is a super-2 number, since 2×228566326² = 104485130762276552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228566321) 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 3 ways as a sum of consecutive naturals, for example, 3361236 + ... + 3361303.

It is an arithmetic number, because the mean of its divisors is an integer number (45377145).

Almost surely, 2^228566326 is an apocalyptic number.

228566326 is a deficient number, since it is larger than the sum of its proper divisors (134450834).

228566326 is a wasteful number, since it uses less digits than its factorization.

228566326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722558.

The product of its digits is 207360, while the sum is 40.

The square root of 228566326 is about 15118.4101677392. The cubic root of 228566326 is about 611.4168676923.

The spelling of 228566326 in words is "two hundred twenty-eight million, five hundred sixty-six thousand, three hundred twenty-six".