228132486 has 24 divisors (see below), whose sum is σ = 523363464. Its totient is φ = 71570880.

The previous prime is 228132481. The next prime is 228132493. The reversal of 228132486 is 684231822.

It is a self number, because there is not a number n which added to its sum of digits gives 228132486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228132481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372460 + ... + 373071.

It is an arithmetic number, because the mean of its divisors is an integer number (21806811).

Almost surely, 2^228132486 is an apocalyptic number.

228132486 is an abundant number, since it is smaller than the sum of its proper divisors (295230978).

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

228132486 is a wasteful number, since it uses less digits than its factorization.

228132486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745556 (or 745553 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 228132486 is about 15104.0552832675. The cubic root of 228132486 is about 611.0297807823.

The spelling of 228132486 in words is "two hundred twenty-eight million, one hundred thirty-two thousand, four hundred eighty-six".