33333668 has 12 divisors (see below), whose sum is σ = 61765452. Its totient is φ = 15686400.

The previous prime is 33333667. The next prime is 33333683. The reversal of 33333668 is 86633333.

It can be written as a sum of positive squares in 2 ways, for example, as 30382144 + 2951524 = 5512^2 + 1718^2 .

It is a super-2 number, since 2×33333668² = 2222266844668448, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33333667) 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 3 ways as a sum of consecutive naturals, for example, 245033 + ... + 245168.

It is an arithmetic number, because the mean of its divisors is an integer number (5147121).

Almost surely, 2^33333668 is an apocalyptic number.

It is an amenable number.

33333668 is a deficient number, since it is larger than the sum of its proper divisors (28431784).

33333668 is a wasteful number, since it uses less digits than its factorization.

33333668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490222 (or 490220 counting only the distinct ones).

The product of its digits is 69984, while the sum is 35.

The square root of 33333668 is about 5773.5316748070. The cubic root of 33333668 is about 321.8308719220.

The spelling of 33333668 in words is "thirty-three million, three hundred thirty-three thousand, six hundred sixty-eight".