22031322100 has 36 divisors (see below), whose sum is σ = 47815349344. Its totient is φ = 8811168480.

The previous prime is 22031322097. The next prime is 22031322113. The reversal of 22031322100 is 122313022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 858049 + ... + 883351.

Almost surely, 2^22031322100 is an apocalyptic number.

22031322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031322100 is an abundant number, since it is smaller than the sum of its proper divisors (25784027244).

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

22031322100 is a wasteful number, since it uses less digits than its factorization.

22031322100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34024 (or 34017 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22031322100 its reverse (122313022), we get a palindrome (22153635122).

The spelling of 22031322100 in words is "twenty-two billion, thirty-one million, three hundred twenty-two thousand, one hundred".