228565455 has 8 divisors (see below), whose sum is σ = 365704752. Its totient is φ = 121901568.

The previous prime is 228565429. The next prime is 228565489. The reversal of 228565455 is 554565822.

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

It is not a de Polignac number, because 228565455 - 2⁵ = 228565423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7618834 + ... + 7618863.

It is an arithmetic number, because the mean of its divisors is an integer number (45713094).

Almost surely, 2^228565455 is an apocalyptic number.

228565455 is a deficient number, since it is larger than the sum of its proper divisors (137139297).

228565455 is a wasteful number, since it uses less digits than its factorization.

228565455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15237705.

The product of its digits is 480000, while the sum is 42.

The square root of 228565455 is about 15118.3813617728. The cubic root of 228565455 is about 611.4160910472.

The spelling of 228565455 in words is "two hundred twenty-eight million, five hundred sixty-five thousand, four hundred fifty-five".