221222042133134 has 32 divisors (see below), whose sum is σ = 379540097551296. Its totient is φ = 94733872704000.

The previous prime is 221222042133121. The next prime is 221222042133203. The reversal of 221222042133134 is 431331240222122.

It is a happy number.

It is a super-2 number, since 2×221222042133134² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 221222042133134.

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 15 ways as a sum of consecutive naturals, for example, 807912272 + ... + 808186044.

It is an arithmetic number, because the mean of its divisors is an integer number (11860628048478).

Almost surely, 2^{221222042133134} is an apocalyptic number.

221222042133134 is a deficient number, since it is larger than the sum of its proper divisors (158318055418162).

221222042133134 is a wasteful number, since it uses less digits than its factorization.

221222042133134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319580.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 221222042133134 its reverse (431331240222122), we get a palindrome (652553282355256).

The spelling of 221222042133134 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, forty-two million, one hundred thirty-three thousand, one hundred thirty-four".