22303213221000 has 256 divisors, whose sum is σ = 72064804331520. Its totient is φ = 5736912480000.

The previous prime is 22303213220993. The next prime is 22303213221089. The reversal of 22303213221000 is 12231230322.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28160415 + ... + 28941585.

It is an arithmetic number, because the mean of its divisors is an integer number (281503141920).

Almost surely, 2^{22303213221000} is an apocalyptic number.

22303213221000 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 22303213221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36032402165760).

22303213221000 is an abundant number, since it is smaller than the sum of its proper divisors (49761591110520).

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

22303213221000 is a wasteful number, since it uses less digits than its factorization.

22303213221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781533 (or 781519 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22303213221000 its reverse (12231230322), we get a palindrome (22315444451322).

The spelling of 22303213221000 in words is "twenty-two trillion, three hundred three billion, two hundred thirteen million, two hundred twenty-one thousand".