21443022003222 has 12 divisors (see below), whose sum is σ = 46459881007020. Its totient is φ = 7147674001068.

The previous prime is 21443022003199. The next prime is 21443022003257. The reversal of 21443022003222 is 22230022034412.

21443022003222 is a `hidden beast` number, since 2 + 1 + 4 + 430 + 2 + 2 + 0 + 0 + 3 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595639500072 + ... + 595639500107.

It is an arithmetic number, because the mean of its divisors is an integer number (3871656750585).

Almost surely, 2^{21443022003222} is an apocalyptic number.

21443022003222 is an abundant number, since it is smaller than the sum of its proper divisors (25016859003798).

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

21443022003222 is a wasteful number, since it uses less digits than its factorization.

21443022003222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191279000187 (or 1191279000184 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 21443022003222 its reverse (22230022034412), we get a palindrome (43673044037634).

The spelling of 21443022003222 in words is "twenty-one trillion, four hundred forty-three billion, twenty-two million, three thousand, two hundred twenty-two".