33222042312 has 32 divisors (see below), whose sum is σ = 83877439680. Its totient is φ = 10964369600.

The previous prime is 33222042263. The next prime is 33222042341. The reversal of 33222042312 is 21324022233.

It is a super-2 number, since 2×33222042312² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6850308 + ... + 6855155.

It is an arithmetic number, because the mean of its divisors is an integer number (2621169990).

Almost surely, 2^33222042312 is an apocalyptic number.

It is an amenable number.

33222042312 is an abundant number, since it is smaller than the sum of its proper divisors (50655397368).

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

33222042312 is a wasteful number, since it uses less digits than its factorization.

33222042312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13705573 (or 13705569 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33222042312 its reverse (21324022233), we get a palindrome (54546064545).

The spelling of 33222042312 in words is "thirty-three billion, two hundred twenty-two million, forty-two thousand, three hundred twelve".