33628322 has 32 divisors (see below), whose sum is σ = 63541632. Its totient is φ = 12991104.

The previous prime is 33628321. The next prime is 33628327. The reversal of 33628322 is 22382633.

It is a happy number.

It is a super-2 number, since 2×33628322² = 2261728081071368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33628321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5678 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (1985676).

Almost surely, 2^33628322 is an apocalyptic number.

33628322 is a deficient number, since it is larger than the sum of its proper divisors (29913310).

33628322 is a wasteful number, since it uses less digits than its factorization.

33628322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its digits is 10368, while the sum is 29.

The square root of 33628322 is about 5798.9931884768. The cubic root of 33628322 is about 322.7763694687.

The spelling of 33628322 in words is "thirty-three million, six hundred twenty-eight thousand, three hundred twenty-two".