33112422 has 64 divisors (see below), whose sum is σ = 84672000. Its totient is φ = 9396000.

The previous prime is 33112397. The next prime is 33112423. The reversal of 33112422 is 22421133.

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 = 33112395 and 33112404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33112423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94704 + ... + 95052.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^33112422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33112422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42336000).

33112422 is an abundant number, since it is smaller than the sum of its proper divisors (51559578).

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

33112422 is a wasteful number, since it uses less digits than its factorization.

33112422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 612 counting only the distinct ones).

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

The square root of 33112422 is about 5754.3394060483. The cubic root of 33112422 is about 321.1172599814.

Adding to 33112422 its reverse (22421133), we get a palindrome (55533555).

The spelling of 33112422 in words is "thirty-three million, one hundred twelve thousand, four hundred twenty-two".