21302234104222 has 16 divisors (see below), whose sum is σ = 33835034154240. Its totient is φ = 10023966204928.

The previous prime is 21302234104187. The next prime is 21302234104231. The reversal of 21302234104222 is 22240143220312.

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, 18641683 + ... + 19751374.

It is an arithmetic number, because the mean of its divisors is an integer number (2114689634640).

Almost surely, 2^{21302234104222} is an apocalyptic number.

21302234104222 is a deficient number, since it is larger than the sum of its proper divisors (12532800050018).

21302234104222 is a wasteful number, since it uses less digits than its factorization.

21302234104222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38409395.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 21302234104222 its reverse (22240143220312), we get a palindrome (43542377324534).

The spelling of 21302234104222 in words is "twenty-one trillion, three hundred two billion, two hundred thirty-four million, one hundred four thousand, two hundred twenty-two".