33228348728843 has 4 divisors (see below), whose sum is σ = 33228402798360. Its totient is φ = 33228294659328.

The previous prime is 33228348728789. The next prime is 33228348728879. The reversal of 33228348728843 is 34882784382233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33228348728843 - 2²⁴ = 33228331951627 is a prime.

It is a super-2 number, since 2×33228348728843² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33228348728843.

It is not an unprimeable number, because it can be changed into a prime (33228342728843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26102213 + ... + 27345606.

It is an arithmetic number, because the mean of its divisors is an integer number (8307100699590).

Almost surely, 2^{33228348728843} is an apocalyptic number.

33228348728843 is a deficient number, since it is larger than the sum of its proper divisors (54069517).

33228348728843 is an equidigital number, since it uses as much as digits as its factorization.

33228348728843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54069516.

The product of its digits is 297271296, while the sum is 65.

The spelling of 33228348728843 in words is "thirty-three trillion, two hundred twenty-eight billion, three hundred forty-eight million, seven hundred twenty-eight thousand, eight hundred forty-three".