33100222320 has 400 divisors, whose sum is σ = 126014514912. Its totient is φ = 7985848320.

The previous prime is 33100222219. The next prime is 33100222321. The reversal of 33100222320 is 2322200133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33100222293 and 33100222302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100222321) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16607244 + ... + 16609236.

Almost surely, 2^33100222320 is an apocalyptic number.

33100222320 is a gapful number since it is divisible by the number (30) 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 33100222320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63007257456).

33100222320 is an abundant number, since it is smaller than the sum of its proper divisors (92914292592).

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

33100222320 is a wasteful number, since it uses less digits than its factorization.

33100222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33100222320 its reverse (2322200133), we get a palindrome (35422422453).

The spelling of 33100222320 in words is "thirty-three billion, one hundred million, two hundred twenty-two thousand, three hundred twenty".