221342142414 has 16 divisors (see below), whose sum is σ = 451036819152. Its totient is φ = 72388625088.

The previous prime is 221342142397. The next prime is 221342142421. The reversal of 221342142414 is 414241243122.

It is a congruent number.

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, 348021919 + ... + 348022554.

It is an arithmetic number, because the mean of its divisors is an integer number (28189801197).

Almost surely, 2^221342142414 is an apocalyptic number.

221342142414 is an abundant number, since it is smaller than the sum of its proper divisors (229694676738).

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

221342142414 is a wasteful number, since it uses less digits than its factorization.

221342142414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696044531.

The product of its digits is 12288, while the sum is 30.

Adding to 221342142414 its reverse (414241243122), we get a palindrome (635583385536).

The spelling of 221342142414 in words is "two hundred twenty-one billion, three hundred forty-two million, one hundred forty-two thousand, four hundred fourteen".