228427970 has 8 divisors (see below), whose sum is σ = 411170364. Its totient is φ = 91371184.

The previous prime is 228427961. The next prime is 228427993. The reversal of 228427970 is 79724822.

228427970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 207734569 + 20693401 = 14413^2 + 4549^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11421389 + ... + 11421408.

Almost surely, 2^228427970 is an apocalyptic number.

228427970 is a deficient number, since it is larger than the sum of its proper divisors (182742394).

228427970 is a wasteful number, since it uses less digits than its factorization.

228427970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22842804.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 228427970 is about 15113.8337294017. The cubic root of 228427970 is about 611.2934749656.

The spelling of 228427970 in words is "two hundred twenty-eight million, four hundred twenty-seven thousand, nine hundred seventy".