221412023533716 has 24 divisors (see below), whose sum is σ = 520695992355840. Its totient is φ = 73222873924032.

The previous prime is 221412023533681. The next prime is 221412023533829. The reversal of 221412023533716 is 617335320214122.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 72641738481 + ... + 72641741528.

It is an arithmetic number, because the mean of its divisors is an integer number (21695666348160).

Almost surely, 2^{221412023533716} is an apocalyptic number.

It is an amenable number.

221412023533716 is an abundant number, since it is smaller than the sum of its proper divisors (299283968822124).

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

221412023533716 is a wasteful number, since it uses less digits than its factorization.

221412023533716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145283480143 (or 145283480141 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

Adding to 221412023533716 its reverse (617335320214122), we get a palindrome (838747343747838).

The spelling of 221412023533716 in words is "two hundred twenty-one trillion, four hundred twelve billion, twenty-three million, five hundred thirty-three thousand, seven hundred sixteen".