228812466 has 8 divisors (see below), whose sum is σ = 457624944. Its totient is φ = 76270820.

The previous prime is 228812453. The next prime is 228812483. The reversal of 228812466 is 664218822.

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

228812466 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19067700 + ... + 19067711.

It is an arithmetic number, because the mean of its divisors is an integer number (57203118).

Almost surely, 2^228812466 is an apocalyptic number.

228812466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228812466 is a wasteful number, since it uses less digits than its factorization.

228812466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38135416.

The product of its digits is 73728, while the sum is 39.

The square root of 228812466 is about 15126.5483835540. The cubic root of 228812466 is about 611.6362644877.

The spelling of 228812466 in words is "two hundred twenty-eight million, eight hundred twelve thousand, four hundred sixty-six".