228000822 has 24 divisors (see below), whose sum is σ = 530451576. Its totient is φ = 65143008.

The previous prime is 228000811. The next prime is 228000833.

228000822 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (228000811) and next prime (228000833).

It is a junction number, because it is equal to n+sod(n) for n = 228000792 and 228000801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387463 + ... + 388050.

It is an arithmetic number, because the mean of its divisors is an integer number (22102149).

Almost surely, 2^228000822 is an apocalyptic number.

228000822 is an abundant number, since it is smaller than the sum of its proper divisors (302450754).

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

228000822 is a wasteful number, since it uses less digits than its factorization.

228000822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775532 (or 775525 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 228000822 is about 15099.6960896569. The cubic root of 228000822 is about 610.9122085936.

It can be divided in two parts, 228000 and 822, that added together give a palindrome (228822).

The spelling of 228000822 in words is "two hundred twenty-eight million, eight hundred twenty-two", and thus it is an aban number.