221400003134404 has 24 divisors (see below), whose sum is σ = 407959679153600. Its totient is φ = 104843453893920.

The previous prime is 221400003134383. The next prime is 221400003134449. The reversal of 221400003134404 is 404431300004122.

It is a super-2 number, since 2×221400003134404² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419620752 + ... + 420148039.

Almost surely, 2^{221400003134404} is an apocalyptic number.

It is an amenable number.

221400003134404 is a deficient number, since it is larger than the sum of its proper divisors (186559676019196).

221400003134404 is a wasteful number, since it uses less digits than its factorization.

221400003134404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839772283 (or 839772281 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 221400003134404 its reverse (404431300004122), we get a palindrome (625831303138526).

The spelling of 221400003134404 in words is "two hundred twenty-one trillion, four hundred billion, three million, one hundred thirty-four thousand, four hundred four".