33113223 has 36 divisors (see below), whose sum is σ = 56642040. Its totient is φ = 18516960.

The previous prime is 33113221. The next prime is 33113231. The reversal of 33113223 is 32231133.

It is not a de Polignac number, because 33113223 - 2¹ = 33113221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33113196 and 33113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33113221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12988 + ... + 15326.

It is an arithmetic number, because the mean of its divisors is an integer number (1573390).

Almost surely, 2^33113223 is an apocalyptic number.

33113223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

33113223 is a deficient number, since it is larger than the sum of its proper divisors (23528817).

33113223 is a wasteful number, since it uses less digits than its factorization.

33113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380 (or 2366 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 33113223 is about 5754.4090052759. The cubic root of 33113223 is about 321.1198492700.

Adding to 33113223 its reverse (32231133), we get a palindrome (65344356).

The spelling of 33113223 in words is "thirty-three million, one hundred thirteen thousand, two hundred twenty-three".