33772241 has 2 divisors, whose sum is σ = 33772242. Its totient is φ = 33772240.

The previous prime is 33772213. The next prime is 33772283. The reversal of 33772241 is 14227733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30294016 + 3478225 = 5504^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 33772241 - 2¹⁰ = 33771217 is a prime.

It is a super-2 number, since 2×33772241² = 2281128524324162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33772201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16886120 + 16886121.

It is an arithmetic number, because the mean of its divisors is an integer number (16886121).

Almost surely, 2^33772241 is an apocalyptic number.

It is an amenable number.

33772241 is a deficient number, since it is larger than the sum of its proper divisors (1).

33772241 is an equidigital number, since it uses as much as digits as its factorization.

33772241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 29.

The square root of 33772241 is about 5811.3889045563. The cubic root of 33772241 is about 323.2361757421.

Adding to 33772241 its reverse (14227733), we get a palindrome (47999974).

The spelling of 33772241 in words is "thirty-three million, seven hundred seventy-two thousand, two hundred forty-one".