33221220122 has 16 divisors (see below), whose sum is σ = 52409866752. Its totient is φ = 15771484560.

The previous prime is 33221220121. The next prime is 33221220143. The reversal of 33221220122 is 22102212233.

It is a happy number.

It is a super-2 number, since 2×33221220122² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221220094 and 33221220103.

It is not an unprimeable number, because it can be changed into a prime (33221220121) 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 7 ways as a sum of consecutive naturals, for example, 5051678 + ... + 5058249.

It is an arithmetic number, because the mean of its divisors is an integer number (3275616672).

Almost surely, 2^33221220122 is an apocalyptic number.

33221220122 is a deficient number, since it is larger than the sum of its proper divisors (19188646630).

33221220122 is a wasteful number, since it uses less digits than its factorization.

33221220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110013.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33221220122 its reverse (22102212233), we get a palindrome (55323432355).

The spelling of 33221220122 in words is "thirty-three billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".