33223424440 has 16 divisors (see below), whose sum is σ = 74752705080. Its totient is φ = 13289369760.

The previous prime is 33223424413. The next prime is 33223424441. The reversal of 33223424440 is 4442432233.

It is a happy number.

It is a super-2 number, since 2×33223424440² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33223424441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415292766 + ... + 415292845.

Almost surely, 2^33223424440 is an apocalyptic number.

It is an amenable number.

33223424440 is an abundant number, since it is smaller than the sum of its proper divisors (41529280640).

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

33223424440 is a wasteful number, since it uses less digits than its factorization.

33223424440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830585622 (or 830585618 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 33223424440 its reverse (4442432233), we get a palindrome (37665856673).

The spelling of 33223424440 in words is "thirty-three billion, two hundred twenty-three million, four hundred twenty-four thousand, four hundred forty".