221422211233342 has 8 divisors (see below), whose sum is σ = 379580933542896. Its totient is φ = 94895233385712.

The previous prime is 221422211233331. The next prime is 221422211233369. The reversal of 221422211233342 is 243332112224122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221422211233298 and 221422211233307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7907936115463 + ... + 7907936115490.

It is an arithmetic number, because the mean of its divisors is an integer number (47447616692862).

Almost surely, 2^{221422211233342} is an apocalyptic number.

221422211233342 is a deficient number, since it is larger than the sum of its proper divisors (158158722309554).

221422211233342 is a wasteful number, since it uses less digits than its factorization.

221422211233342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15815872230962.

The product of its digits is 55296, while the sum is 34.

Adding to 221422211233342 its reverse (243332112224122), we get a palindrome (464754323457464).

The spelling of 221422211233342 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, two hundred eleven million, two hundred thirty-three thousand, three hundred forty-two".