33012225344 has 28 divisors (see below), whose sum is σ = 74867012064. Its totient is φ = 14148096384.

The previous prime is 33012225329. The next prime is 33012225347. The reversal of 33012225344 is 44352221033.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012225347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36843554 + ... + 36844449.

Almost surely, 2^33012225344 is an apocalyptic number.

It is an amenable number.

33012225344 is an abundant number, since it is smaller than the sum of its proper divisors (41854786720).

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

33012225344 is an equidigital number, since it uses as much as digits as its factorization.

33012225344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73688022 (or 73688012 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 33012225344 its reverse (44352221033), we get a palindrome (77364446377).

The spelling of 33012225344 in words is "thirty-three billion, twelve million, two hundred twenty-five thousand, three hundred forty-four".