33022331221 has 16 divisors (see below), whose sum is σ = 37210111488. Its totient is φ = 29033409600.

The previous prime is 33022331197. The next prime is 33022331231. The reversal of 33022331221 is 12213322033.

It is not a de Polignac number, because 33022331221 - 2⁹ = 33022330709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33022331192 and 33022331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33022331231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520015 + ... + 580051.

It is an arithmetic number, because the mean of its divisors is an integer number (2325631968).

Almost surely, 2^33022331221 is an apocalyptic number.

33022331221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33022331221 is a deficient number, since it is larger than the sum of its proper divisors (4187780267).

33022331221 is a wasteful number, since it uses less digits than its factorization.

33022331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61692.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33022331221 its reverse (12213322033), we get a palindrome (45235653254).

The spelling of 33022331221 in words is "thirty-three billion, twenty-two million, three hundred thirty-one thousand, two hundred twenty-one".