228481134 has 16 divisors (see below), whose sum is σ = 522242688. Its totient is φ = 65280312.

The previous prime is 228481133. The next prime is 228481153. The reversal of 228481134 is 431184822.

It is a junction number, because it is equal to n+sod(n) for n = 228481095 and 228481104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228481133) 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, 2719972 + ... + 2720055.

It is an arithmetic number, because the mean of its divisors is an integer number (32640168).

Almost surely, 2^228481134 is an apocalyptic number.

228481134 is an abundant number, since it is smaller than the sum of its proper divisors (293761554).

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

228481134 is a wasteful number, since it uses less digits than its factorization.

228481134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440039.

The product of its digits is 12288, while the sum is 33.

The square root of 228481134 is about 15115.5924131342. The cubic root of 228481134 is about 611.3408951442.

The spelling of 228481134 in words is "two hundred twenty-eight million, four hundred eighty-one thousand, one hundred thirty-four".