33802218 has 32 divisors (see below), whose sum is σ = 75309120. Its totient is φ = 11238480.

The previous prime is 33802217. The next prime is 33802243. The reversal of 33802218 is 81220833.

33802218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×33802218² = 2285179883439048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 33802191 and 33802200.

It is not an unprimeable number, because it can be changed into a prime (33802217) 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 15 ways as a sum of consecutive naturals, for example, 35221 + ... + 36167.

It is an arithmetic number, because the mean of its divisors is an integer number (2353410).

Almost surely, 2^33802218 is an apocalyptic number.

33802218 is an abundant number, since it is smaller than the sum of its proper divisors (41506902).

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

33802218 is a wasteful number, since it uses less digits than its factorization.

33802218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 33802218 is about 5813.9674921692. The cubic root of 33802218 is about 323.3317846904.

The spelling of 33802218 in words is "thirty-three million, eight hundred two thousand, two hundred eighteen".