2201022331900 has 108 divisors (see below), whose sum is σ = 5580926839488. Its totient is φ = 751251836160.

The previous prime is 2201022331861. The next prime is 2201022331901. The reversal of 2201022331900 is 91332201022.

It is a super-2 number, since 2×2201022331900² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022331901) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 85552 + ... + 2099848.

Almost surely, 2^{2201022331900} is an apocalyptic number.

2201022331900 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 2201022331900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2790463419744).

2201022331900 is an abundant number, since it is smaller than the sum of its proper divisors (3379904507588).

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

2201022331900 is a wasteful number, since it uses less digits than its factorization.

2201022331900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014548 (or 2014534 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 2201022331900 its reverse (91332201022), we get a palindrome (2292354532922).

The spelling of 2201022331900 in words is "two trillion, two hundred one billion, twenty-two million, three hundred thirty-one thousand, nine hundred".