33113442 has 16 divisors (see below), whose sum is σ = 66415680. Its totient is φ = 11006352.

The previous prime is 33113441. The next prime is 33113459. The reversal of 33113442 is 24431133.

It is not an unprimeable number, because it can be changed into a prime (33113441) 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 7 ways as a sum of consecutive naturals, for example, 5533 + ... + 9840.

It is an arithmetic number, because the mean of its divisors is an integer number (4150980).

Almost surely, 2^33113442 is an apocalyptic number.

33113442 is an abundant number, since it is smaller than the sum of its proper divisors (33302238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33113442 is a wasteful number, since it uses less digits than its factorization.

33113442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15737.

The product of its digits is 864, while the sum is 21.

The square root of 33113442 is about 5754.4280341316. The cubic root of 33113442 is about 321.1205571956.

Adding to 33113442 its reverse (24431133), we get a palindrome (57544575).

The spelling of 33113442 in words is "thirty-three million, one hundred thirteen thousand, four hundred forty-two".