33222022012 has 12 divisors (see below), whose sum is σ = 59235492456. Its totient is φ = 16297595600.

The previous prime is 33222021947. The next prime is 33222022027. The reversal of 33222022012 is 21022022233.

It is a super-2 number, since 2×33222022012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 78353614 + ... + 78354037.

It is an arithmetic number, because the mean of its divisors is an integer number (4936291038).

Almost surely, 2^33222022012 is an apocalyptic number.

It is an amenable number.

33222022012 is a deficient number, since it is larger than the sum of its proper divisors (26013470444).

33222022012 is a wasteful number, since it uses less digits than its factorization.

33222022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156707708 (or 156707706 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 33222022012 its reverse (21022022233), we get a palindrome (54244044245).

The spelling of 33222022012 in words is "thirty-three billion, two hundred twenty-two million, twenty-two thousand, twelve".