223344231221 has 8 divisors (see below), whose sum is σ = 223872964224. Its totient is φ = 222816108240.

The previous prime is 223344231191. The next prime is 223344231233. The reversal of 223344231221 is 122132443322.

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 223344231221 - 2³⁴ = 206164362037 is a prime.

It is a super-2 number, since 2×223344231221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223344281221) 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, 584816 + ... + 888086.

It is an arithmetic number, because the mean of its divisors is an integer number (27984120528).

Almost surely, 2^223344231221 is an apocalyptic number.

It is an amenable number.

223344231221 is a deficient number, since it is larger than the sum of its proper divisors (528733003).

223344231221 is a wasteful number, since it uses less digits than its factorization.

223344231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305011.

The product of its digits is 13824, while the sum is 29.

Adding to 223344231221 its reverse (122132443322), we get a palindrome (345476674543).

The spelling of 223344231221 in words is "two hundred twenty-three billion, three hundred forty-four million, two hundred thirty-one thousand, two hundred twenty-one".