228492294822 has 128 divisors (see below), whose sum is σ = 566875998720. Its totient is φ = 67632289920.

The previous prime is 228492294817. The next prime is 228492294829.

228492294822 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228492294829) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7130428 + ... + 7162400.

It is an arithmetic number, because the mean of its divisors is an integer number (4428718740).

Almost surely, 2^228492294822 is an apocalyptic number.

228492294822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 228492294822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283437999360).

228492294822 is an abundant number, since it is smaller than the sum of its proper divisors (338383703898).

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

228492294822 is a wasteful number, since it uses less digits than its factorization.

228492294822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32275 (or 32269 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 228492294822 in words is "two hundred twenty-eight billion, four hundred ninety-two million, two hundred ninety-four thousand, eight hundred twenty-two".