223234222144440 has 128 divisors (see below), whose sum is σ = 722235492820800. Its totient is φ = 54872458629120.

The previous prime is 223234222144429. The next prime is 223234222144471. The reversal of 223234222144440 is 44441222432322.

It is a super-3 number, since 3×223234222144440³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99809941 + ... + 102022020.

Almost surely, 2^{223234222144440} is an apocalyptic number.

223234222144440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223234222144440 is an abundant number, since it is smaller than the sum of its proper divisors (499001270676360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223234222144440 is a wasteful number, since it uses less digits than its factorization.

223234222144440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201832697 (or 201832693 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 223234222144440 its reverse (44441222432322), we get a palindrome (267675444576762).

The spelling of 223234222144440 in words is "two hundred twenty-three trillion, two hundred thirty-four billion, two hundred twenty-two million, one hundred forty-four thousand, four hundred forty".