22033242 has 96 divisors (see below), whose sum is σ = 62216640. Its totient is φ = 5715360.

The previous prime is 22033237. The next prime is 22033267. The reversal of 22033242 is 24233022.

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

It is an unprimeable number.

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, 28728 + ... + 29484.

It is an arithmetic number, because the mean of its divisors is an integer number (648090).

Almost surely, 2^22033242 is an apocalyptic number.

22033242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22033242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31108320).

22033242 is an abundant number, since it is smaller than the sum of its proper divisors (40183398).

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

22033242 is a wasteful number, since it uses less digits than its factorization.

22033242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22033242 is about 4693.9580313420. The cubic root of 22033242 is about 280.3449914239.

Adding to 22033242 its reverse (24233022), we get a palindrome (46266264).

It can be divided in two parts, 2203 and 3242, that added together give a palindrome (5445).

The spelling of 22033242 in words is "twenty-two million, thirty-three thousand, two hundred forty-two".