228589985822 has 8 divisors (see below), whose sum is σ = 374056340472. Its totient is φ = 103904539000.

The previous prime is 228589985773. The next prime is 228589985839.

228589985822 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×228589985822² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5195226929 + ... + 5195226972.

It is an arithmetic number, because the mean of its divisors is an integer number (46757042559).

Almost surely, 2^228589985822 is an apocalyptic number.

228589985822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228589985822 is a deficient number, since it is larger than the sum of its proper divisors (145466354650).

228589985822 is a wasteful number, since it uses less digits than its factorization.

228589985822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390453914.

The product of its digits is 132710400, while the sum is 68.

The spelling of 228589985822 in words is "two hundred twenty-eight billion, five hundred eighty-nine million, nine hundred eighty-five thousand, eight hundred twenty-two".