223304447601 has 27 divisors (see below), whose sum is σ = 327576249273. Its totient is φ = 146585320200.

The previous prime is 223304447549. The next prime is 223304447609. The reversal of 223304447601 is 106744403322.

The square root of 223304447601 is 472551.

It is a perfect power (a square), and thus also a powerful number.

223304447601 is a `hidden beast` number, since 2 + 2 + 3 + 3 + 0 + 4 + 4 + 47 + 601 = 666.

It is not a de Polignac number, because 223304447601 - 2³¹ = 221156963953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223304447609) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 94981576 + ... + 94983926.

Almost surely, 2^223304447601 is an apocalyptic number.

223304447601 is the 472551-st square number.

223304447601 is the 236276-th centered octagonal number.

It is an amenable number.

223304447601 is a deficient number, since it is larger than the sum of its proper divisors (104271801672).

223304447601 is an frugal number, since it uses more digits than its factorization.

223304447601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Multiplying 223304447601 by its sum of digits (36), we get a square (8038960113636 = 2835306²).

The spelling of 223304447601 in words is "two hundred twenty-three billion, three hundred four million, four hundred forty-seven thousand, six hundred one".