223244132421 has 8 divisors (see below), whose sum is σ = 310600532160. Its totient is φ = 142358577152.

The previous prime is 223244132359. The next prime is 223244132611. The reversal of 223244132421 is 124231442322.

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 223244132421 - 2¹⁷ = 223244001349 is a prime.

It is a super-3 number, since 3×223244132421³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223244131421) 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, 1617711036 + ... + 1617711173.

It is an arithmetic number, because the mean of its divisors is an integer number (38825066520).

Almost surely, 2^223244132421 is an apocalyptic number.

It is an amenable number.

223244132421 is a deficient number, since it is larger than the sum of its proper divisors (87356399739).

223244132421 is a wasteful number, since it uses less digits than its factorization.

223244132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235422235.

The product of its digits is 18432, while the sum is 30.

Adding to 223244132421 its reverse (124231442322), we get a palindrome (347475574743).

The spelling of 223244132421 in words is "two hundred twenty-three billion, two hundred forty-four million, one hundred thirty-two thousand, four hundred twenty-one".