223144422012 has 36 divisors (see below), whose sum is σ = 564074574336. Its totient is φ = 74379487680.

The previous prime is 223144421999. The next prime is 223144422029. The reversal of 223144422012 is 210224441322.

It is a happy number.

223144422012 is a `hidden beast` number, since 2 + 2 + 3 + 14 + 442 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×223144422012³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2006533 + ... + 2114819.

It is an arithmetic number, because the mean of its divisors is an integer number (15668738176).

Almost surely, 2^223144422012 is an apocalyptic number.

It is an amenable number.

223144422012 is an abundant number, since it is smaller than the sum of its proper divisors (340930152324).

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

223144422012 is a wasteful number, since it uses less digits than its factorization.

223144422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165538 (or 165533 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 223144422012 its reverse (210224441322), we get a palindrome (433368863334).

The spelling of 223144422012 in words is "two hundred twenty-three billion, one hundred forty-four million, four hundred twenty-two thousand, twelve".