33221311332 has 36 divisors (see below), whose sum is σ = 85203973008. Its totient is φ = 10067063600.

The previous prime is 33221311327. The next prime is 33221311339. The reversal of 33221311332 is 23311312233.

It is a super-2 number, since 2×33221311332² (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 not an unprimeable number, because it can be changed into a prime (33221311339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11438394 + ... + 11441297.

It is an arithmetic number, because the mean of its divisors is an integer number (2366777028).

Almost surely, 2^33221311332 is an apocalyptic number.

It is an amenable number.

33221311332 is an abundant number, since it is smaller than the sum of its proper divisors (51982661676).

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

33221311332 is a wasteful number, since it uses less digits than its factorization.

33221311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22879720 (or 22879707 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 33221311332 its reverse (23311312233), we get a palindrome (56532623565).

Subtracting from 33221311332 its reverse (23311312233), we obtain a palindrome (9909999099).

The spelling of 33221311332 in words is "thirty-three billion, two hundred twenty-one million, three hundred eleven thousand, three hundred thirty-two".