33105224 has 8 divisors (see below), whose sum is σ = 62072310. Its totient is φ = 16552608.

The previous prime is 33105223. The next prime is 33105253. The reversal of 33105224 is 42250133.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30448324 + 2656900 = 5518^2 + 1630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 33105196 and 33105205.

It is not an unprimeable number, because it can be changed into a prime (33105221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069069 + ... + 2069084.

Almost surely, 2^33105224 is an apocalyptic number.

It is an amenable number.

33105224 is a deficient number, since it is larger than the sum of its proper divisors (28967086).

33105224 is a wasteful number, since it uses less digits than its factorization.

33105224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138159 (or 4138155 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 33105224 is about 5753.7139310188. The cubic root of 33105224 is about 321.0939900684.

Adding to 33105224 its reverse (42250133), we get a palindrome (75355357).

The spelling of 33105224 in words is "thirty-three million, one hundred five thousand, two hundred twenty-four".