223220064720512 has 32 divisors (see below), whose sum is σ = 456715039524420. Its totient is φ = 108593544996864.

The previous prime is 223220064720467. The next prime is 223220064720533. The reversal of 223220064720512 is 215027460022322.

It can be written as a sum of positive squares in 2 ways, for example, as 179921874942016 + 43298189778496 = 13413496^2 + 6580136^2 .

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

It is a super-3 number, since 3×223220064720512³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23566302773 + ... + 23566312244.

Almost surely, 2^{223220064720512} is an apocalyptic number.

It is an amenable number.

223220064720512 is an abundant number, since it is smaller than the sum of its proper divisors (233494974803908).

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

223220064720512 is an equidigital number, since it uses as much as digits as its factorization.

223220064720512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47132615068 (or 47132615056 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 223220064720512 in words is "two hundred twenty-three trillion, two hundred twenty billion, sixty-four million, seven hundred twenty thousand, five hundred twelve".