21023230332222 has 96 divisors (see below), whose sum is σ = 46889593141248. Its totient is φ = 6804247399488.

The previous prime is 21023230332211. The next prime is 21023230332227. The reversal of 21023230332222 is 22223303232012.

21023230332222 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 32 + 303 + 322 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023230332227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67608633 + ... + 67918875.

It is an arithmetic number, because the mean of its divisors is an integer number (488433261888).

Almost surely, 2^{21023230332222} is an apocalyptic number.

21023230332222 is an abundant number, since it is smaller than the sum of its proper divisors (25866362809026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21023230332222 is a wasteful number, since it uses less digits than its factorization.

21023230332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310934 (or 310931 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 21023230332222 its reverse (22223303232012), we get a palindrome (43246533564234).

The spelling of 21023230332222 in words is "twenty-one trillion, twenty-three billion, two hundred thirty million, three hundred thirty-two thousand, two hundred twenty-two".