33224412240 has 60 divisors (see below), whose sum is σ = 111578653524. Its totient is φ = 8859843072.

The previous prime is 33224412233. The next prime is 33224412257. The reversal of 33224412240 is 4221442233.

33224412240 is a `hidden beast` number, since 3 + 3 + 2 + 2 + 4 + 412 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5713545744 + 27510866496 = 75588^2 + 165864^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×33224412240² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23071789 + ... + 23073228.

Almost surely, 2^33224412240 is an apocalyptic number.

33224412240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33224412240 is an abundant number, since it is smaller than the sum of its proper divisors (78354241284).

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

33224412240 is a wasteful number, since it uses less digits than its factorization.

33224412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46145036 (or 46145027 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 33224412240 its reverse (4221442233), we get a palindrome (37445854473).

The spelling of 33224412240 in words is "thirty-three billion, two hundred twenty-four million, four hundred twelve thousand, two hundred forty".