33122112220 has 12 divisors (see below), whose sum is σ = 69556435704. Its totient is φ = 13248844880.

The previous prime is 33122112193. The next prime is 33122112263. The reversal of 33122112220 is 2221122133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828052786 + ... + 828052825.

It is an arithmetic number, because the mean of its divisors is an integer number (5796369642).

Almost surely, 2^33122112220 is an apocalyptic number.

It is an amenable number.

33122112220 is an abundant number, since it is smaller than the sum of its proper divisors (36434323484).

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

33122112220 is a wasteful number, since it uses less digits than its factorization.

33122112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656105620 (or 1656105618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 33122112220 its reverse (2221122133), we get a palindrome (35343234353).

The spelling of 33122112220 in words is "thirty-three billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty".