1322202223100 has 144 divisors (see below), whose sum is σ = 3167698816800. Its totient is φ = 479000473600.

The previous prime is 1322202223039. The next prime is 1322202223159. The reversal of 1322202223100 is 13222022231.

It is a happy number.

It is a super-2 number, since 2×1322202223100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 47 ways as a sum of consecutive naturals, for example, 35785436 + ... + 35822364.

It is an arithmetic number, because the mean of its divisors is an integer number (21997908450).

Almost surely, 2^{1322202223100} is an apocalyptic number.

1322202223100 is a gapful number since it is divisible by the number (10) 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 1322202223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583849408400).

1322202223100 is an abundant number, since it is smaller than the sum of its proper divisors (1845496593700).

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

1322202223100 is a wasteful number, since it uses less digits than its factorization.

1322202223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37245 (or 37216 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1322202223100 its reverse (13222022231), we get a palindrome (1335424245331).

1322202223100 divided by its reverse (13222022231) gives a square (100 = 10²).

The spelling of 1322202223100 in words is "one trillion, three hundred twenty-two billion, two hundred two million, two hundred twenty-three thousand, one hundred".