33222230320 has 40 divisors (see below), whose sum is σ = 77514677136. Its totient is φ = 13241925888.

The previous prime is 33222230309. The next prime is 33222230339. The reversal of 33222230320 is 2303222233.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33222230320² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33222230291 and 33222230300.

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, 711067 + ... + 756346.

Almost surely, 2^33222230320 is an apocalyptic number.

It is an amenable number.

33222230320 is an abundant number, since it is smaller than the sum of its proper divisors (44292446816).

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

33222230320 is a wasteful number, since it uses less digits than its factorization.

33222230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467709 (or 1467703 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 33222230320 its reverse (2303222233), we get a palindrome (35525452553).

The spelling of 33222230320 in words is "thirty-three billion, two hundred twenty-two million, two hundred thirty thousand, three hundred twenty".