33572241 has 12 divisors (see below), whose sum is σ = 49525632. Its totient is φ = 21905016.

The previous prime is 33572237. The next prime is 33572251. The reversal of 33572241 is 14227533.

It is not a de Polignac number, because 33572241 - 2² = 33572237 is a prime.

It is a super-2 number, since 2×33572241² = 2254190731524162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33572251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39261 + ... + 40106.

It is an arithmetic number, because the mean of its divisors is an integer number (4127136).

Almost surely, 2^33572241 is an apocalyptic number.

It is an amenable number.

33572241 is a deficient number, since it is larger than the sum of its proper divisors (15953391).

33572241 is a wasteful number, since it uses less digits than its factorization.

33572241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79420 (or 79417 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 33572241 is about 5794.1557624903. The cubic root of 33572241 is about 322.5968412977.

Adding to 33572241 its reverse (14227533), we get a palindrome (47799774).

The spelling of 33572241 in words is "thirty-three million, five hundred seventy-two thousand, two hundred forty-one".