22303201221000 has 384 divisors, whose sum is σ = 91221971592960. Its totient is φ = 4797999360000.

The previous prime is 22303201220987. The next prime is 22303201221043. The reversal of 22303201221000 is 12210230322.

22303201221000 is a `hidden beast` number, since 2 + 230 + 320 + 12 + 2 + 100 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 9341326 + ... + 11483325.

It is an arithmetic number, because the mean of its divisors is an integer number (237557217690).

Almost surely, 2^{22303201221000} is an apocalyptic number.

22303201221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22303201221000 is an abundant number, since it is smaller than the sum of its proper divisors (68918770371960).

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

22303201221000 is a wasteful number, since it uses less digits than its factorization.

22303201221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20824702 (or 20824685 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22303201221000 its reverse (12210230322), we get a palindrome (22315411451322).

The spelling of 22303201221000 in words is "twenty-two trillion, three hundred three billion, two hundred one million, two hundred twenty-one thousand".