223168866822 has 32 divisors (see below), whose sum is σ = 541015436160. Its totient is φ = 67626929160.

The previous prime is 223168866779. The next prime is 223168866857. The reversal of 223168866822 is 228668861322.

It is a happy number.

It is a super-3 number, since 3×223168866822³ (a number of 35 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187851988 + ... + 187853175.

It is an arithmetic number, because the mean of its divisors is an integer number (16906732380).

Almost surely, 2^223168866822 is an apocalyptic number.

223168866822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223168866822 is an abundant number, since it is smaller than the sum of its proper divisors (317846569338).

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

223168866822 is a wasteful number, since it uses less digits than its factorization.

223168866822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375705185 (or 375705179 counting only the distinct ones).

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

The spelling of 223168866822 in words is "two hundred twenty-three billion, one hundred sixty-eight million, eight hundred sixty-six thousand, eight hundred twenty-two".