33221223420024 has 32 divisors (see below), whose sum is σ = 83113814344320. Its totient is φ = 11065640367456.

The previous prime is 33221223419987. The next prime is 33221223420029. The reversal of 33221223420024 is 42002432212233.

It is a super-2 number, since 2×33221223420024² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221223419973 and 33221223420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221223420029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506264794 + ... + 506330409.

It is an arithmetic number, because the mean of its divisors is an integer number (2597306698260).

Almost surely, 2^{33221223420024} is an apocalyptic number.

It is an amenable number.

33221223420024 is an abundant number, since it is smaller than the sum of its proper divisors (49892590924296).

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

33221223420024 is a wasteful number, since it uses less digits than its factorization.

33221223420024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012596579 (or 1012596575 counting only the distinct ones).

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

Adding to 33221223420024 its reverse (42002432212233), we get a palindrome (75223655632257).

The spelling of 33221223420024 in words is "thirty-three trillion, two hundred twenty-one billion, two hundred twenty-three million, four hundred twenty thousand, twenty-four".