22217353601200 has 120 divisors (see below), whose sum is σ = 54732775471920. Its totient is φ = 8661671731200.

The previous prime is 22217353601173. The next prime is 22217353601231. The reversal of 22217353601200 is 210635371222.

It is a super-2 number, since 2×22217353601200² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16046872 + ... + 17376328.

It is an arithmetic number, because the mean of its divisors is an integer number (456106462266).

Almost surely, 2^{22217353601200} is an apocalyptic number.

22217353601200 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 22217353601200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27366387735960).

22217353601200 is an abundant number, since it is smaller than the sum of its proper divisors (32515421870720).

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

22217353601200 is a wasteful number, since it uses less digits than its factorization.

22217353601200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330535 (or 1330524 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 22217353601200 its reverse (210635371222), we get a palindrome (22427988972422).

The spelling of 22217353601200 in words is "twenty-two trillion, two hundred seventeen billion, three hundred fifty-three million, six hundred one thousand, two hundred".