33231222223 has 4 divisors (see below), whose sum is σ = 33252760528. Its totient is φ = 33209683920.

The previous prime is 33231222187. The next prime is 33231222251. The reversal of 33231222223 is 32222213233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32222213233 = 7 ⋅4603173319.

It is a cyclic number.

It is not a de Polignac number, because 33231222223 - 2¹⁷ = 33231091151 is a prime.

It is a super-2 number, since 2×33231222223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33231222263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10766838 + ... + 10769923.

It is an arithmetic number, because the mean of its divisors is an integer number (8313190132).

Almost surely, 2^33231222223 is an apocalyptic number.

33231222223 is a deficient number, since it is larger than the sum of its proper divisors (21538305).

33231222223 is a wasteful number, since it uses less digits than its factorization.

33231222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21538304.

The product of its digits is 5184, while the sum is 25.

Adding to 33231222223 its reverse (32222213233), we get a palindrome (65453435456).

The spelling of 33231222223 in words is "thirty-three billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty-three".