21422241340322 has 32 divisors (see below), whose sum is σ = 32512661193600. Its totient is φ = 10585270257408.

The previous prime is 21422241340319. The next prime is 21422241340387. The reversal of 21422241340322 is 22304314222412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177869828 + ... + 177990224.

It is an arithmetic number, because the mean of its divisors is an integer number (1016020662300).

Almost surely, 2^{21422241340322} is an apocalyptic number.

21422241340322 is a deficient number, since it is larger than the sum of its proper divisors (11090419853278).

21422241340322 is a wasteful number, since it uses less digits than its factorization.

21422241340322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122810.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 21422241340322 its reverse (22304314222412), we get a palindrome (43726555562734).

The spelling of 21422241340322 in words is "twenty-one trillion, four hundred twenty-two billion, two hundred forty-one million, three hundred forty thousand, three hundred twenty-two".