228490570 has 32 divisors (see below), whose sum is σ = 512770176. Its totient is φ = 71217600.

The previous prime is 228490517. The next prime is 228490573. The reversal of 228490570 is 75094822.

It is not an unprimeable number, because it can be changed into a prime (228490573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147601 + ... + 149140.

It is an arithmetic number, because the mean of its divisors is an integer number (16024068).

Almost surely, 2^228490570 is an apocalyptic number.

228490570 is an abundant number, since it is smaller than the sum of its proper divisors (284279606).

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

228490570 is a wasteful number, since it uses less digits than its factorization.

228490570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296766.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 228490570 is about 15115.9045379362. The cubic root of 228490570 is about 611.3493109131.

The spelling of 228490570 in words is "two hundred twenty-eight million, four hundred ninety thousand, five hundred seventy".