33169422 has 64 divisors (see below), whose sum is σ = 79236864. Its totient is φ = 9123840.

The previous prime is 33169403. The next prime is 33169429. The reversal of 33169422 is 22496133.

It is a super-2 number, since 2×33169422² = 2200421111628168, 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 33169422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33169429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57198 + ... + 57774.

It is an arithmetic number, because the mean of its divisors is an integer number (1238076).

Almost surely, 2^33169422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33169422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39618432).

33169422 is an abundant number, since it is smaller than the sum of its proper divisors (46067442).

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

33169422 is a wasteful number, since it uses less digits than its factorization.

33169422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its digits is 7776, while the sum is 30.

The square root of 33169422 is about 5759.2900604154. The cubic root of 33169422 is about 321.3014123331.

Subtracting from 33169422 its reverse (22496133), we obtain a square (10673289 = 3267²).

The spelling of 33169422 in words is "thirty-three million, one hundred sixty-nine thousand, four hundred twenty-two".