1322322231100 has 144 divisors (see below), whose sum is σ = 3272063317600. Its totient is φ = 462543644160.

The previous prime is 1322322231037. The next prime is 1322322231163. The reversal of 1322322231100 is 11322232231.

It is an interprime number because it is at equal distance from previous prime (1322322231037) and next prime (1322322231163).

It is a super-2 number, since 2×1322322231100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4015912 + ... + 4332688.

Almost surely, 2^{1322322231100} is an apocalyptic number.

1322322231100 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 1322322231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636031658800).

1322322231100 is an abundant number, since it is smaller than the sum of its proper divisors (1949741086500).

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

1322322231100 is a wasteful number, since it uses less digits than its factorization.

1322322231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316849 (or 316816 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1322322231100 its reverse (11322232231), we get a palindrome (1333644463331).

The spelling of 1322322231100 in words is "one trillion, three hundred twenty-two billion, three hundred twenty-two million, two hundred thirty-one thousand, one hundred".