33161226 has 64 divisors (see below), whose sum is σ = 78630912. Its totient is φ = 9127872.

The previous prime is 33161201. The next prime is 33161231. The reversal of 33161226 is 62216133.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33161196 and 33161205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211140 + ... + 211296.

It is an arithmetic number, because the mean of its divisors is an integer number (1228608).

Almost surely, 2^33161226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33161226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39315456).

33161226 is an abundant number, since it is smaller than the sum of its proper divisors (45469686).

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

33161226 is a wasteful number, since it uses less digits than its factorization.

33161226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its digits is 1296, while the sum is 24.

The square root of 33161226 is about 5758.5784704213. The cubic root of 33161226 is about 321.2749461569.

Adding to 33161226 its reverse (62216133), we get a palindrome (95377359).

The spelling of 33161226 in words is "thirty-three million, one hundred sixty-one thousand, two hundred twenty-six".