33223000000 has 98 divisors (see below), whose sum is σ = 82410038888. Its totient is φ = 13288800000.

The previous prime is 33222999991. The next prime is 33223000037. The reversal of 33223000000 is 32233.

It is a super-2 number, since 2×33223000000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 983389 + ... + 1016611.

Almost surely, 2^33223000000 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 33223000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41205019444).

33223000000 is an abundant number, since it is smaller than the sum of its proper divisors (49187038888).

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

33223000000 is an frugal number, since it uses more digits than its factorization.

33223000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33265 (or 33230 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

Adding to 33223000000 its reverse (32233), we get a palindrome (33223032233).

The spelling of 33223000000 in words is "thirty-three billion, two hundred twenty-three million", and thus it is an aban number.