33809922 has 24 divisors (see below), whose sum is σ = 73592064. Its totient is φ = 11218104.

The previous prime is 33809903. The next prime is 33809929. The reversal of 33809922 is 22990833.

It is a super-2 number, since 2×33809922² = 2286221651292168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33809929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^33809922 is an apocalyptic number.

33809922 is an abundant number, since it is smaller than the sum of its proper divisors (39782142).

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

33809922 is a wasteful number, since it uses less digits than its factorization.

33809922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654 (or 8651 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 33809922 is about 5814.6299968270. The cubic root of 33809922 is about 323.3563467754.

The spelling of 33809922 in words is "thirty-three million, eight hundred nine thousand, nine hundred twenty-two".