33221230130233 has 4 divisors (see below), whose sum is σ = 33248527773300. Its totient is φ = 33193932487168.

The previous prime is 33221230130201. The next prime is 33221230130273. The reversal of 33221230130233 is 33203103212233.

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 25037494047504 + 8183736082729 = 5003748^2 + 2860723^2 .

It is a cyclic number.

It is not a de Polignac number, because 33221230130233 - 2⁵ = 33221230130201 is a prime.

It is a super-2 number, since 2×33221230130233² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33221230130273) 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, 13648819708 + ... + 13648822141.

It is an arithmetic number, because the mean of its divisors is an integer number (8312131943325).

Almost surely, 2^{33221230130233} is an apocalyptic number.

It is an amenable number.

33221230130233 is a deficient number, since it is larger than the sum of its proper divisors (27297643067).

33221230130233 is a wasteful number, since it uses less digits than its factorization.

33221230130233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27297643066.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 33221230130233 its reverse (33203103212233), we get a palindrome (66424333342466).

The spelling of 33221230130233 in words is "thirty-three trillion, two hundred twenty-one billion, two hundred thirty million, one hundred thirty thousand, two hundred thirty-three".