221325304655332 has 48 divisors (see below), whose sum is σ = 390512092950000. Its totient is φ = 109753216395264.

The previous prime is 221325304655311. The next prime is 221325304655359. The reversal of 221325304655332 is 233556403523122.

It can be written as a sum of positive squares in 8 ways, for example, as 10706088704256 + 210619215951076 = 3272016^2 + 14512726^2 .

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 15 ways as a sum of consecutive naturals, for example, 817320294 + ... + 817591042.

It is an arithmetic number, because the mean of its divisors is an integer number (8135668603125).

Almost surely, 2^{221325304655332} is an apocalyptic number.

It is an amenable number.

221325304655332 is a deficient number, since it is larger than the sum of its proper divisors (169186788294668).

221325304655332 is a wasteful number, since it uses less digits than its factorization.

221325304655332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273328 (or 273326 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 46.

The spelling of 221325304655332 in words is "two hundred twenty-one trillion, three hundred twenty-five billion, three hundred four million, six hundred fifty-five thousand, three hundred thirty-two".