33442223412 has 48 divisors (see below), whose sum is σ = 86305517312. Its totient is φ = 10011807360.

The previous prime is 33442223359. The next prime is 33442223413. The reversal of 33442223412 is 21432224433.

It is a super-2 number, since 2×33442223412² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 33442223412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33442223413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2891164 + ... + 2902707.

Almost surely, 2^33442223412 is an apocalyptic number.

It is an amenable number.

33442223412 is an abundant number, since it is smaller than the sum of its proper divisors (52863293900).

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

33442223412 is a wasteful number, since it uses less digits than its factorization.

33442223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793928 (or 5793926 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

Adding to 33442223412 its reverse (21432224433), we get a palindrome (54874447845).

The spelling of 33442223412 in words is "thirty-three billion, four hundred forty-two million, two hundred twenty-three thousand, four hundred twelve".