223354446464 has 32 divisors (see below), whose sum is σ = 459317619840. Its totient is φ = 108074730240.

The previous prime is 223354446443. The next prime is 223354446503. The reversal of 223354446464 is 464644453322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28140494 + ... + 28148429.

It is an arithmetic number, because the mean of its divisors is an integer number (14353675620).

Almost surely, 2^223354446464 is an apocalyptic number.

It is an amenable number.

223354446464 is an abundant number, since it is smaller than the sum of its proper divisors (235963173376).

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

223354446464 is an equidigital number, since it uses as much as digits as its factorization.

223354446464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56288968 (or 56288956 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 47.

Adding to 223354446464 its reverse (464644453322), we get a palindrome (687998899786).

The spelling of 223354446464 in words is "two hundred twenty-three billion, three hundred fifty-four million, four hundred forty-six thousand, four hundred sixty-four".