33022221030 has 96 divisors (see below), whose sum is σ = 90948671424. Its totient is φ = 8284243968.

The previous prime is 33022220947. The next prime is 33022221049. The reversal of 33022221030 is 3012222033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33022220994 and 33022221012.

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, 5494287 + ... + 5500293.

It is an arithmetic number, because the mean of its divisors is an integer number (947381994).

Almost surely, 2^33022221030 is an apocalyptic number.

33022221030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33022221030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45474335712).

33022221030 is an abundant number, since it is smaller than the sum of its proper divisors (57926450394).

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

33022221030 is a wasteful number, since it uses less digits than its factorization.

33022221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9630 (or 9627 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33022221030 its reverse (3012222033), we get a palindrome (36034443063).

The spelling of 33022221030 in words is "thirty-three billion, twenty-two million, two hundred twenty-one thousand, thirty".