228507546 has 8 divisors (see below), whose sum is σ = 457015104. Its totient is φ = 76169180.

The previous prime is 228507533. The next prime is 228507563. The reversal of 228507546 is 645705822.

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

228507546 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19042290 + ... + 19042301.

It is an arithmetic number, because the mean of its divisors is an integer number (57126888).

Almost surely, 2^228507546 is an apocalyptic number.

228507546 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.

228507546 is a wasteful number, since it uses less digits than its factorization.

228507546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38084596.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 228507546 is about 15116.4660552657. The cubic root of 228507546 is about 611.3644508653.

The spelling of 228507546 in words is "two hundred twenty-eight million, five hundred seven thousand, five hundred forty-six".