11033442 has 96 divisors (see below), whose sum is σ = 30061440. Its totient is φ = 2937600.

The previous prime is 11033431. The next prime is 11033443. The reversal of 11033442 is 24433011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109192 + ... + 109292.

It is an arithmetic number, because the mean of its divisors is an integer number (313140).

Almost surely, 2^11033442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11033442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15030720).

11033442 is an abundant number, since it is smaller than the sum of its proper divisors (19027998).

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

11033442 is a wasteful number, since it uses less digits than its factorization.

11033442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 11033442 is about 3321.6625355385. The cubic root of 11033442 is about 222.6231578409.

Adding to 11033442 its reverse (24433011), we get a palindrome (35466453).

The spelling of 11033442 in words is "eleven million, thirty-three thousand, four hundred forty-two".