222727071744 has 144 divisors (see below), whose sum is σ = 671246503200. Its totient is φ = 71014293504.

The previous prime is 222727071691. The next prime is 222727071821. The reversal of 222727071744 is 447170727222.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 222727071744.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161247 + ... + 686625.

It is an arithmetic number, because the mean of its divisors is an integer number (4661434050).

Almost surely, 2^222727071744 is an apocalyptic number.

222727071744 is a gapful number since it is divisible by the number (24) 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 222727071744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335623251600).

222727071744 is an abundant number, since it is smaller than the sum of its proper divisors (448519431456).

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

222727071744 is a wasteful number, since it uses less digits than its factorization.

222727071744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525430 (or 525407 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 45.

Adding to 222727071744 its reverse (447170727222), we get a palindrome (669897798966).

The spelling of 222727071744 in words is "two hundred twenty-two billion, seven hundred twenty-seven million, seventy-one thousand, seven hundred forty-four".