33253330 has 32 divisors (see below), whose sum is σ = 65536128. Its totient is φ = 12048000.

The previous prime is 33253289. The next prime is 33253333. The reversal of 33253330 is 3335233.

It is a super-2 number, since 2×33253330² = 2211567912177800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (33253333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55030 + ... + 55630.

It is an arithmetic number, because the mean of its divisors is an integer number (2048004).

Almost surely, 2^33253330 is an apocalyptic number.

33253330 is a deficient number, since it is larger than the sum of its proper divisors (32282798).

33253330 is a wasteful number, since it uses less digits than its factorization.

33253330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 2430, while the sum is 22.

The square root of 33253330 is about 5766.5700377261. The cubic root of 33253330 is about 321.5721140417.

Adding to 33253330 its reverse (3335233), we get a palindrome (36588563).

The spelling of 33253330 in words is "thirty-three million, two hundred fifty-three thousand, three hundred thirty".