22122022210000 has 50 divisors (see below), whose sum is σ = 53559627996842. Its totient is φ = 8848808880000.

The previous prime is 22122022209977. The next prime is 22122022210009. The reversal of 22122022210000 is 1222022122.

It can be written as a sum of positive squares in 5 ways, for example, as 12665683796544 + 9456338413456 = 3558888^2 + 3075116^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122022210009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1106091111 + ... + 1106111110.

Almost surely, 2^{22122022210000} is an apocalyptic number.

22122022210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122022210000 is an abundant number, since it is smaller than the sum of its proper divisors (31437605786842).

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

22122022210000 is an equidigital number, since it uses as much as digits as its factorization.

22122022210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212202249 (or 2212202228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22122022210000 its reverse (1222022122), we get a palindrome (22123244232122).

The spelling of 22122022210000 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-two million, two hundred ten thousand".