33223132320 has 96 divisors (see below), whose sum is σ = 119603288448. Its totient is φ = 7593858048.

The previous prime is 33223132303. The next prime is 33223132451. The reversal of 33223132320 is 2323132233.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-4 number, since 4×33223132320⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 15 ways as a sum of consecutive naturals, for example, 4940559 + ... + 4947278.

It is an arithmetic number, because the mean of its divisors is an integer number (1245867588).

Almost surely, 2^33223132320 is an apocalyptic number.

33223132320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33223132320 is an abundant number, since it is smaller than the sum of its proper divisors (86380156128).

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

33223132320 is a wasteful number, since it uses less digits than its factorization.

33223132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9887862 (or 9887854 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 33223132320 its reverse (2323132233), we get a palindrome (35546264553).

The spelling of 33223132320 in words is "thirty-three billion, two hundred twenty-three million, one hundred thirty-two thousand, three hundred twenty".