223211341676561 has 16 divisors (see below), whose sum is σ = 255169684387584. Its totient is φ = 191270754065664.

The previous prime is 223211341676551. The next prime is 223211341676569. The reversal of 223211341676561 is 165676143112322.

It is not a de Polignac number, because 223211341676561 - 2¹⁸ = 223211341414417 is a prime.

It is a super-3 number, since 3×223211341676561³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223211341676569) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1044777596 + ... + 1044991218.

It is an arithmetic number, because the mean of its divisors is an integer number (15948105274224).

Almost surely, 2^{223211341676561} is an apocalyptic number.

It is an amenable number.

223211341676561 is a deficient number, since it is larger than the sum of its proper divisors (31958342711023).

223211341676561 is a wasteful number, since it uses less digits than its factorization.

223211341676561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254480.

The product of its digits is 2177280, while the sum is 50.

Adding to 223211341676561 its reverse (165676143112322), we get a palindrome (388887484788883).

The spelling of 223211341676561 in words is "two hundred twenty-three trillion, two hundred eleven billion, three hundred forty-one million, six hundred seventy-six thousand, five hundred sixty-one".