221412334405 has 48 divisors (see below), whose sum is σ = 294743577600. Its totient is φ = 159338313728.

The previous prime is 221412334379. The next prime is 221412334411. The reversal of 221412334405 is 504433214122.

It is not a de Polignac number, because 221412334405 - 2⁵ = 221412334373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79729377 + ... + 79732153.

It is an arithmetic number, because the mean of its divisors is an integer number (6140491200).

Almost surely, 2^221412334405 is an apocalyptic number.

It is an amenable number.

221412334405 is a deficient number, since it is larger than the sum of its proper divisors (73331243195).

221412334405 is a wasteful number, since it uses less digits than its factorization.

221412334405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238 (or 5221 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 221412334405 its reverse (504433214122), we get a palindrome (725845548527).

The spelling of 221412334405 in words is "two hundred twenty-one billion, four hundred twelve million, three hundred thirty-four thousand, four hundred five".