33840822 has 16 divisors (see below), whose sum is σ = 67847472. Its totient is φ = 11252640.

The previous prime is 33840817. The next prime is 33840823. The reversal of 33840822 is 22804833.

It is a super-2 number, since 2×33840822² = 2290402467271368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33840822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33840823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4173 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (4240467).

Almost surely, 2^33840822 is an apocalyptic number.

33840822 is an abundant number, since it is smaller than the sum of its proper divisors (34006650).

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

33840822 is a wasteful number, since it uses less digits than its factorization.

33840822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13823.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 33840822 is about 5817.2864808259. The cubic root of 33840822 is about 323.4548254483.

The spelling of 33840822 in words is "thirty-three million, eight hundred forty thousand, eight hundred twenty-two".