228003822 has 80 divisors (see below), whose sum is σ = 534707712. Its totient is φ = 72530640.

The previous prime is 228003821. The next prime is 228003833. The reversal of 228003822 is 228300822.

228003822 is a `hidden beast` number, since 2 + 280 + 0 + 382 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228003821) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 416553 + ... + 417099.

Almost surely, 2^228003822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228003822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267353856).

228003822 is an abundant number, since it is smaller than the sum of its proper divisors (306703890).

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

228003822 is a wasteful number, since it uses less digits than its factorization.

228003822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 228003822 is about 15099.7954290778. The cubic root of 228003822 is about 610.9148880117.

The spelling of 228003822 in words is "two hundred twenty-eight million, three thousand, eight hundred twenty-two".