222726163968 has 960 divisors, whose sum is σ = 845933856768. Its totient is φ = 56823275520.

The previous prime is 222726163943. The next prime is 222726164029. The reversal of 222726163968 is 869361627222.

222726163968 is a `hidden beast` number, since 2 + 227 + 26 + 1 + 6 + 396 + 8 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 641861971 + ... + 641862317.

Almost surely, 2^222726163968 is an apocalyptic number.

222726163968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222726163968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422966928384).

222726163968 is an abundant number, since it is smaller than the sum of its proper divisors (623207692800).

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

222726163968 is an equidigital number, since it uses as much as digits as its factorization.

222726163968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 437 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 222726163968 in words is "two hundred twenty-two billion, seven hundred twenty-six million, one hundred sixty-three thousand, nine hundred sixty-eight".