33312220332 has 12 divisors (see below), whose sum is σ = 77728514136. Its totient is φ = 11104073440.

The previous prime is 33312220321. The next prime is 33312220349. The reversal of 33312220332 is 23302221333.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33312220332² (a number of 22 digits) contains 22 as substring.

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, 1388009169 + ... + 1388009192.

It is an arithmetic number, because the mean of its divisors is an integer number (6477376178).

Almost surely, 2^33312220332 is an apocalyptic number.

It is an amenable number.

33312220332 is an abundant number, since it is smaller than the sum of its proper divisors (44416293804).

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

33312220332 is a wasteful number, since it uses less digits than its factorization.

33312220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776018368 (or 2776018366 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 33312220332 its reverse (23302221333), we get a palindrome (56614441665).

The spelling of 33312220332 in words is "thirty-three billion, three hundred twelve million, two hundred twenty thousand, three hundred thirty-two".