33221100222 has 48 divisors (see below), whose sum is σ = 76414469040. Its totient is φ = 10394770176.

The previous prime is 33221100169. The next prime is 33221100223. The reversal of 33221100222 is 22200112233.

33221100222 is a `hidden beast` number, since 332 + 2 + 110 + 0 + 222 = 666.

It is a super-2 number, since 2×33221100222² (a number of 22 digits) contains 22 as substring.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 33221100195 and 33221100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221100223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27253 + ... + 259200.

It is an arithmetic number, because the mean of its divisors is an integer number (1591968105).

Almost surely, 2^33221100222 is an apocalyptic number.

33221100222 is an abundant number, since it is smaller than the sum of its proper divisors (43193368818).

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

33221100222 is a wasteful number, since it uses less digits than its factorization.

33221100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286857 (or 286854 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 33221100222 its reverse (22200112233), we get a palindrome (55421212455).

The spelling of 33221100222 in words is "thirty-three billion, two hundred twenty-one million, one hundred thousand, two hundred twenty-two".