228012103 has 8 divisors (see below), whose sum is σ = 261832320. Its totient is φ = 196373880.

The previous prime is 228012089. The next prime is 228012131. The reversal of 228012103 is 301210822.

228012103 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 228012103 - 2²⁵ = 194457671 is a prime.

It is a super-2 number, since 2×228012103² = 103979038228965218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228012163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545275 + ... + 545692.

It is an arithmetic number, because the mean of its divisors is an integer number (32729040).

Almost surely, 2^228012103 is an apocalyptic number.

228012103 is a deficient number, since it is larger than the sum of its proper divisors (33820217).

228012103 is a wasteful number, since it uses less digits than its factorization.

228012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090997.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 228012103 is about 15100.0696356010. The cubic root of 228012103 is about 610.9222839768.

Adding to 228012103 its reverse (301210822), we get a palindrome (529222925).

The spelling of 228012103 in words is "two hundred twenty-eight million, twelve thousand, one hundred three".