33252230321 has 4 divisors (see below), whose sum is σ = 34324882944. Its totient is φ = 32179577700.

The previous prime is 33252230317. The next prime is 33252230329. The reversal of 33252230321 is 12303225233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33252230321 - 2² = 33252230317 is a prime.

It is a super-2 number, since 2×33252230321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33252230329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536326265 + ... + 536326326.

It is an arithmetic number, because the mean of its divisors is an integer number (8581220736).

Almost surely, 2^33252230321 is an apocalyptic number.

33252230321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33252230321 is a deficient number, since it is larger than the sum of its proper divisors (1072652623).

33252230321 is a wasteful number, since it uses less digits than its factorization.

33252230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072652622.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 33252230321 its reverse (12303225233), we get a palindrome (45555455554).

The spelling of 33252230321 in words is "thirty-three billion, two hundred fifty-two million, two hundred thirty thousand, three hundred twenty-one".