33221222212232 has 256 divisors, whose sum is σ = 69454655020800. Its totient is φ = 14835412500480.

The previous prime is 33221222212223. The next prime is 33221222212309. The reversal of 33221222212232 is 23221222212233.

It is a super-2 number, since 2×33221222212232² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221222212195 and 33221222212204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4913651732 + ... + 4913658492.

It is an arithmetic number, because the mean of its divisors is an integer number (271307246175).

Almost surely, 2^{33221222212232} is an apocalyptic number.

It is an amenable number.

33221222212232 is an abundant number, since it is smaller than the sum of its proper divisors (36233432808568).

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

33221222212232 is a wasteful number, since it uses less digits than its factorization.

33221222212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096 (or 7092 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 33221222212232 its reverse (23221222212233), we get a palindrome (56442444424465).

Subtracting from 33221222212232 its reverse (23221222212233), we obtain a palindrome (9999999999999).

The spelling of 33221222212232 in words is "thirty-three trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, two hundred thirty-two".