223605256322 has 54 divisors (see below), whose sum is σ = 401309299881. Its totient is φ = 93168578160.

The previous prime is 223605256309. The next prime is 223605256361. The reversal of 223605256322 is 223652506322.

It can be written as a sum of positive squares in 2 ways, for example, as 180403218121 + 43202038201 = 424739^2 + 207851^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334369.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 173202497 + ... + 173203787.

Almost surely, 2^223605256322 is an apocalyptic number.

223605256322 is a deficient number, since it is larger than the sum of its proper divisors (177704043559).

223605256322 is an frugal number, since it uses more digits than its factorization.

223605256322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 223605256322 in words is "two hundred twenty-three billion, six hundred five million, two hundred fifty-six thousand, three hundred twenty-two".