228070 has 8 divisors (see below), whose sum is σ = 410544. Its totient is φ = 91224.

The previous prime is 228061. The next prime is 228077. The reversal of 228070 is 70822.

228070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228077) by changing a digit.

228070 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11394 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (51318).

2²²⁸⁰⁷⁰ is an apocalyptic number.

228070 is a deficient number, since it is larger than the sum of its proper divisors (182474).

228070 is a wasteful number, since it uses less digits than its factorization.

228070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22814.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 228070 is about 477.5667492613. The cubic root of 228070 is about 61.0973988212.

Adding to 228070 its reverse (70822), we get a palindrome (298892).

The spelling of 228070 in words is "two hundred twenty-eight thousand, seventy".