33240666 has 8 divisors (see below), whose sum is σ = 66481344. Its totient is φ = 11080220.

The previous prime is 33240653. The next prime is 33240667. The reversal of 33240666 is 66604233.

It is a sphenic number, since it is the product of 3 distinct primes.

33240666 is an admirable number.

It is a super-2 number, since 2×33240666² = 2209883752247112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33240667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770050 + ... + 2770061.

It is an arithmetic number, because the mean of its divisors is an integer number (8310168).

Almost surely, 2^33240666 is an apocalyptic number.

33240666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33240666 is a wasteful number, since it uses less digits than its factorization.

33240666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540116.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 33240666 is about 5765.4718800806. The cubic root of 33240666 is about 321.5312869893.

Adding to 33240666 its reverse (66604233), we get a palindrome (99844899).

The spelling of 33240666 in words is "thirty-three million, two hundred forty thousand, six hundred sixty-six".