23321220312222 has 192 divisors, whose sum is σ = 59357621232000. Its totient is φ = 6614566479360.

The previous prime is 23321220312157. The next prime is 23321220312233. The reversal of 23321220312222 is 22221302212332.

23321220312222 is a `hidden beast` number, since 2 + 3 + 3 + 2 + 122 + 0 + 312 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 635835748 + ... + 635872424.

It is an arithmetic number, because the mean of its divisors is an integer number (309154277250).

Almost surely, 2^{23321220312222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23321220312222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29678810616000).

23321220312222 is an abundant number, since it is smaller than the sum of its proper divisors (36036400919778).

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

23321220312222 is a wasteful number, since it uses less digits than its factorization.

23321220312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37456 (or 37439 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23321220312222 its reverse (22221302212332), we get a palindrome (45542522524554).

The spelling of 23321220312222 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twenty million, three hundred twelve thousand, two hundred twenty-two".