228266424 has 96 divisors (see below), whose sum is σ = 663390000. Its totient is φ = 73446912.

The previous prime is 228266419. The next prime is 228266447. The reversal of 228266424 is 424662822.

228266424 is a `hidden beast` number, since 2 + 2 + 8 + 2 + 6 + 642 + 4 = 666.

228266424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54352 + ... + 58400.

Almost surely, 2^228266424 is an apocalyptic number.

228266424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228266424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331695000).

228266424 is an abundant number, since it is smaller than the sum of its proper divisors (435123576).

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

228266424 is a wasteful number, since it uses less digits than its factorization.

228266424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099 (or 4083 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 228266424 is about 15108.4884750262. The cubic root of 228266424 is about 611.1493371815.

The spelling of 228266424 in words is "two hundred twenty-eight million, two hundred sixty-six thousand, four hundred twenty-four".