23222311221000 has 512 divisors, whose sum is σ = 75127264542720. Its totient is φ = 5967582336000.

The previous prime is 23222311220987. The next prime is 23222311221007. The reversal of 23222311221000 is 12211322232.

It is not an unprimeable number, because it can be changed into a prime (23222311221007) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5626920937 + ... + 5626925063.

It is an arithmetic number, because the mean of its divisors is an integer number (146732938560).

Almost surely, 2^{23222311221000} is an apocalyptic number.

23222311221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23222311221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37563632271360).

23222311221000 is an abundant number, since it is smaller than the sum of its proper divisors (51904953321720).

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

23222311221000 is a wasteful number, since it uses less digits than its factorization.

23222311221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662 (or 4648 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23222311221000 its reverse (12211322232), we get a palindrome (23234522543232).

The spelling of 23222311221000 in words is "twenty-three trillion, two hundred twenty-two billion, three hundred eleven million, two hundred twenty-one thousand".