22210001222000 has 80 divisors (see below), whose sum is σ = 53719334471712. Its totient is φ = 8881427865600.

The previous prime is 22210001221981. The next prime is 22210001222047. The reversal of 22210001222000 is 22210001222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5307839 + ... + 8520161.

Almost surely, 2^{22210001222000} is an apocalyptic number.

22210001222000 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 22210001222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26859667235856).

22210001222000 is an abundant number, since it is smaller than the sum of its proper divisors (31509333249712).

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

22210001222000 is a wasteful number, since it uses less digits than its factorization.

22210001222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215803 (or 3215787 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22210001222000 its reverse (22210001222), we get a palindrome (22232211223222).

22210001222000 divided by its reverse (22210001222) gives a cube (1000 = 10³).

The spelling of 22210001222000 in words is "twenty-two trillion, two hundred ten billion, one million, two hundred twenty-two thousand".