1222133353533 has 20 divisors (see below), whose sum is σ = 1843731811548. Its totient is φ = 806688676800.

The previous prime is 1222133353487. The next prime is 1222133353559. The reversal of 1222133353533 is 3353533312221.

1222133353533 is a `hidden beast` number, since 1 + 2 + 221 + 33 + 353 + 53 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 516160344249 + 705973009284 = 718443^2 + 840222^2 .

It is not a de Polignac number, because 1222133353533 - 2²⁸ = 1221864918077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222133353333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74685216 + ... + 74701577.

Almost surely, 2^{1222133353533} is an apocalyptic number.

It is an amenable number.

1222133353533 is a deficient number, since it is larger than the sum of its proper divisors (621598458015).

1222133353533 is a wasteful number, since it uses less digits than its factorization.

1222133353533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149386906 (or 149386897 counting only the distinct ones).

The product of its digits is 145800, while the sum is 36.

Adding to 1222133353533 its reverse (3353533312221), we get a palindrome (4575666665754).

The spelling of 1222133353533 in words is "one trillion, two hundred twenty-two billion, one hundred thirty-three million, three hundred fifty-three thousand, five hundred thirty-three".