33220304004 has 12 divisors (see below), whose sum is σ = 77514042704. Its totient is φ = 11073434664.

The previous prime is 33220303973. The next prime is 33220304023. The reversal of 33220304004 is 40040302233.

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

It is a super-2 number, since 2×33220304004² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384179322 + ... + 1384179345.

Almost surely, 2^33220304004 is an apocalyptic number.

It is an amenable number.

33220304004 is an abundant number, since it is smaller than the sum of its proper divisors (44293738700).

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

33220304004 is a wasteful number, since it uses less digits than its factorization.

33220304004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768358674 (or 2768358672 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 33220304004 its reverse (40040302233), we get a palindrome (73260606237).

The spelling of 33220304004 in words is "thirty-three billion, two hundred twenty million, three hundred four thousand, four".