223424304202221 has 8 divisors (see below), whose sum is σ = 299234942549760. Its totient is φ = 148281600994752.

The previous prime is 223424304202217. The next prime is 223424304202243. The reversal of 223424304202221 is 122202403424322.

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

It is not a de Polignac number, because 223424304202221 - 2² = 223424304202217 is a prime.

It is a super-2 number, since 2×223424304202221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223424304202271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166983784236 + ... + 166983785573.

It is an arithmetic number, because the mean of its divisors is an integer number (37404367818720).

Almost surely, 2^{223424304202221} is an apocalyptic number.

It is an amenable number.

223424304202221 is a deficient number, since it is larger than the sum of its proper divisors (75810638347539).

223424304202221 is a wasteful number, since it uses less digits than its factorization.

223424304202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333967570035.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 223424304202221 its reverse (122202403424322), we get a palindrome (345626707626543).

The spelling of 223424304202221 in words is "two hundred twenty-three trillion, four hundred twenty-four billion, three hundred four million, two hundred two thousand, two hundred twenty-one".