30221230033 has 4 divisors (see below), whose sum is σ = 30223287220. Its totient is φ = 30219172848.

The previous prime is 30221230031. The next prime is 30221230129. The reversal of 30221230033 is 33003212203.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19911467664 + 10309762369 = 141108^2 + 101537^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221230033 - 2¹ = 30221230031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221230031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006398 + ... + 1035991.

It is an arithmetic number, because the mean of its divisors is an integer number (7555821805).

Almost surely, 2^30221230033 is an apocalyptic number.

It is an amenable number.

30221230033 is a deficient number, since it is larger than the sum of its proper divisors (2057187).

30221230033 is a wasteful number, since it uses less digits than its factorization.

30221230033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057186.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30221230033 its reverse (33003212203), we get a palindrome (63224442236).

The spelling of 30221230033 in words is "thirty billion, two hundred twenty-one million, two hundred thirty thousand, thirty-three".