221412334404 has 48 divisors (see below), whose sum is σ = 530272512000. Its totient is φ = 71870790816.

The previous prime is 221412334379. The next prime is 221412334411. The reversal of 221412334404 is 404433214122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874134 + ... + 1098605.

It is an arithmetic number, because the mean of its divisors is an integer number (11047344000).

Almost surely, 2^221412334404 is an apocalyptic number.

It is an amenable number.

221412334404 is an abundant number, since it is smaller than the sum of its proper divisors (308860177596).

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

221412334404 is a wasteful number, since it uses less digits than its factorization.

221412334404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972992 (or 1972990 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 221412334404 its reverse (404433214122), we get a palindrome (625845548526).

The spelling of 221412334404 in words is "two hundred twenty-one billion, four hundred twelve million, three hundred thirty-four thousand, four hundred four".