33224040220 has 24 divisors (see below), whose sum is σ = 79737696864. Its totient is φ = 11391099456.

The previous prime is 33224040149. The next prime is 33224040277. The reversal of 33224040220 is 2204042233.

It is a super-2 number, since 2×33224040220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33224040191 and 33224040200.

It is a congruent number.

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, 118657147 + ... + 118657426.

It is an arithmetic number, because the mean of its divisors is an integer number (3322404036).

Almost surely, 2^33224040220 is an apocalyptic number.

It is an amenable number.

33224040220 is an abundant number, since it is smaller than the sum of its proper divisors (46513656644).

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

33224040220 is a wasteful number, since it uses less digits than its factorization.

33224040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237314589 (or 237314587 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 33224040220 its reverse (2204042233), we get a palindrome (35428082453).

The spelling of 33224040220 in words is "thirty-three billion, two hundred twenty-four million, forty thousand, two hundred twenty".