221424313342 has 16 divisors (see below), whose sum is σ = 336942342000. Its totient is φ = 109120704448.

The previous prime is 221424313339. The next prime is 221424313361. The reversal of 221424313342 is 243313424122.

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, 2583967 + ... + 2668282.

It is an arithmetic number, because the mean of its divisors is an integer number (21058896375).

Almost surely, 2^221424313342 is an apocalyptic number.

221424313342 is a deficient number, since it is larger than the sum of its proper divisors (115518028658).

221424313342 is a wasteful number, since it uses less digits than its factorization.

221424313342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252555.

The product of its digits is 27648, while the sum is 31.

Adding to 221424313342 its reverse (243313424122), we get a palindrome (464737737464).

The spelling of 221424313342 in words is "two hundred twenty-one billion, four hundred twenty-four million, three hundred thirteen thousand, three hundred forty-two".