223112212220320 has 24 divisors (see below), whose sum is σ = 527102601370884. Its totient is φ = 89244884888064.

The previous prime is 223112212220291. The next prime is 223112212220393. The reversal of 223112212220320 is 23022212211322.

It can be written as a sum of positive squares in 2 ways, for example, as 203753584995984 + 19358627224336 = 14274228^2 + 4399844^2 .

It is a super-3 number, since 3×223112212220320³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697225663029 + ... + 697225663348.

Almost surely, 2^{223112212220320} is an apocalyptic number.

223112212220320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223112212220320 is an abundant number, since it is smaller than the sum of its proper divisors (303990389150564).

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

223112212220320 is a wasteful number, since it uses less digits than its factorization.

223112212220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394451326392 (or 1394451326384 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 223112212220320 its reverse (23022212211322), we get a palindrome (246134424431642).

The spelling of 223112212220320 in words is "two hundred twenty-three trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty thousand, three hundred twenty".