224444481468 has 24 divisors (see below), whose sum is σ = 546473520768. Its totient is φ = 71562008496.

The previous prime is 224444481449. The next prime is 224444481473. The reversal of 224444481468 is 864184444422.

It is a super-2 number, since 2×224444481468² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224444481468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406602046 + ... + 406602597.

It is an arithmetic number, because the mean of its divisors is an integer number (22769730032).

Almost surely, 2^224444481468 is an apocalyptic number.

It is an amenable number.

224444481468 is an abundant number, since it is smaller than the sum of its proper divisors (322029039300).

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

224444481468 is a wasteful number, since it uses less digits than its factorization.

224444481468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813204673 (or 813204671 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 51.

The spelling of 224444481468 in words is "two hundred twenty-four billion, four hundred forty-four million, four hundred eighty-one thousand, four hundred sixty-eight".