221022334342 has 8 divisors (see below), whose sum is σ = 334575093600. Its totient is φ = 109497303144.

The previous prime is 221022334339. The next prime is 221022334343. The reversal of 221022334342 is 243433220122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221022334342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022334343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506931742 + ... + 506932177.

It is an arithmetic number, because the mean of its divisors is an integer number (41821886700).

Almost surely, 2^221022334342 is an apocalyptic number.

221022334342 is a deficient number, since it is larger than the sum of its proper divisors (113552759258).

221022334342 is a wasteful number, since it uses less digits than its factorization.

221022334342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013864030.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 221022334342 its reverse (243433220122), we get a palindrome (464455554464).

The spelling of 221022334342 in words is "two hundred twenty-one billion, twenty-two million, three hundred thirty-four thousand, three hundred forty-two".