33022220022 has 128 divisors (see below), whose sum is σ = 81919918080. Its totient is φ = 9774341280.

The previous prime is 33022220017. The next prime is 33022220051. The reversal of 33022220022 is 22002222033.

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 = 33022219977 and 33022220004.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 20295573 + ... + 20297199.

It is an arithmetic number, because the mean of its divisors is an integer number (639999360).

Almost surely, 2^33022220022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33022220022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40959959040).

33022220022 is an abundant number, since it is smaller than the sum of its proper divisors (48897698058).

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

33022220022 is a wasteful number, since it uses less digits than its factorization.

33022220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 33022220022 its reverse (22002222033), we get a palindrome (55024442055).

The spelling of 33022220022 in words is "thirty-three billion, twenty-two million, two hundred twenty thousand, twenty-two".