33440022 has 96 divisors (see below), whose sum is σ = 94348800. Its totient is φ = 8300160.

The previous prime is 33440021. The next prime is 33440027. The reversal of 33440022 is 22004433.

It is a super-2 number, since 2×33440022² = 2236470142720968, which contains 22 as substring.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 33439977 and 33440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440021) 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 47 ways as a sum of consecutive naturals, for example, 31354 + ... + 32402.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^33440022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33440022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47174400).

33440022 is an abundant number, since it is smaller than the sum of its proper divisors (60908778).

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

33440022 is a wasteful number, since it uses less digits than its factorization.

33440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1095 counting only the distinct ones).

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

The square root of 33440022 is about 5782.7348201348. The cubic root of 33440022 is about 322.1727851138.

Adding to 33440022 its reverse (22004433), we get a palindrome (55444455).

The spelling of 33440022 in words is "thirty-three million, four hundred forty thousand, twenty-two".