228486375 has 96 divisors (see below), whose sum is σ = 470171520. Its totient is φ = 105753600.

The previous prime is 228486371. The next prime is 228486397. The reversal of 228486375 is 573684822.

228486375 is a `hidden beast` number, since 2 + 2 + 8 + 4 + 8 + 637 + 5 = 666.

It is not a de Polignac number, because 228486375 - 2² = 228486371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 228486375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228486371) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 248166 + ... + 249084.

It is an arithmetic number, because the mean of its divisors is an integer number (4897620).

Almost surely, 2^228486375 is an apocalyptic number.

228486375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228486375 is an abundant number, since it is smaller than the sum of its proper divisors (241685145).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228486375 is a wasteful number, since it uses less digits than its factorization.

228486375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 957 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 228486375 is about 15115.7657761689. The cubic root of 228486375 is about 611.3455695099.

The spelling of 228486375 in words is "two hundred twenty-eight million, four hundred eighty-six thousand, three hundred seventy-five".