33234243228 has 144 divisors (see below), whose sum is σ = 90121266144. Its totient is φ = 10289971200.

The previous prime is 33234243197. The next prime is 33234243233. The reversal of 33234243228 is 82234243233.

33234243228 is a `hidden beast` number, since 3 + 3 + 2 + 3 + 424 + 3 + 228 = 666.

It is a super-2 number, since 2×33234243228² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 33234243192 and 33234243201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20757628 + ... + 20759228.

It is an arithmetic number, because the mean of its divisors is an integer number (625842126).

Almost surely, 2^33234243228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33234243228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45060633072).

33234243228 is an abundant number, since it is smaller than the sum of its proper divisors (56887022916).

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

33234243228 is a wasteful number, since it uses less digits than its factorization.

33234243228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2047 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The spelling of 33234243228 in words is "thirty-three billion, two hundred thirty-four million, two hundred forty-three thousand, two hundred twenty-eight".