22022003032100 has 144 divisors (see below), whose sum is σ = 51873186153600. Its totient is φ = 8089811896320.

The previous prime is 22022003032091. The next prime is 22022003032103. The reversal of 22022003032100 is 123030022022.

It is not an unprimeable number, because it can be changed into a prime (22022003032103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11017052 + ... + 12861548.

It is an arithmetic number, because the mean of its divisors is an integer number (360230459400).

Almost surely, 2^{22022003032100} is an apocalyptic number.

22022003032100 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 22022003032100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25936593076800).

22022003032100 is an abundant number, since it is smaller than the sum of its proper divisors (29851183121500).

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

22022003032100 is a wasteful number, since it uses less digits than its factorization.

22022003032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844742 (or 1844735 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22022003032100 its reverse (123030022022), we get a palindrome (22145033054122).

The spelling of 22022003032100 in words is "twenty-two trillion, twenty-two billion, three million, thirty-two thousand, one hundred".