223630221061 has 8 divisors (see below), whose sum is σ = 241066151424. Its totient is φ = 206227662960.

The previous prime is 223630221053. The next prime is 223630221071. The reversal of 223630221061 is 160122036322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223630221061 - 2³ = 223630221053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223630221071) 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 7 ways as a sum of consecutive naturals, for example, 8329141 + ... + 8355946.

It is an arithmetic number, because the mean of its divisors is an integer number (30133268928).

Almost surely, 2^223630221061 is an apocalyptic number.

It is an amenable number.

223630221061 is a deficient number, since it is larger than the sum of its proper divisors (17435930363).

223630221061 is a wasteful number, since it uses less digits than its factorization.

223630221061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16686131.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 223630221061 its reverse (160122036322), we get a palindrome (383752257383).

The spelling of 223630221061 in words is "two hundred twenty-three billion, six hundred thirty million, two hundred twenty-one thousand, sixty-one".