21222232000322 has 16 divisors (see below), whose sum is σ = 32610848804352. Its totient is φ = 10351966171680.

The previous prime is 21222232000313. The next prime is 21222232000327. The reversal of 21222232000322 is 22300023222212.

It is a super-2 number, since 2×21222232000322² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21222232000327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1771238 + ... + 6751425.

It is an arithmetic number, because the mean of its divisors is an integer number (2038178050272).

Almost surely, 2^{21222232000322} is an apocalyptic number.

21222232000322 is a deficient number, since it is larger than the sum of its proper divisors (11388616804030).

21222232000322 is a wasteful number, since it uses less digits than its factorization.

21222232000322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553073.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 21222232000322 its reverse (22300023222212), we get a palindrome (43522255222534).

The spelling of 21222232000322 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thirty-two million, three hundred twenty-two", and thus it is an aban number.