33552245 has 4 divisors (see below), whose sum is σ = 40262700. Its totient is φ = 26841792.

The previous prime is 33552209. The next prime is 33552247. The reversal of 33552245 is 54225533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54225533 = 227 ⋅238879.

It can be written as a sum of positive squares in 2 ways, for example, as 25020004 + 8532241 = 5002^2 + 2921^2 .

It is a cyclic number.

It is not a de Polignac number, because 33552245 - 2²² = 29357941 is a prime.

It is a super-2 number, since 2×33552245² = 2251506289080050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33552247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355220 + ... + 3355229.

It is an arithmetic number, because the mean of its divisors is an integer number (10065675).

Almost surely, 2^33552245 is an apocalyptic number.

It is an amenable number.

33552245 is a deficient number, since it is larger than the sum of its proper divisors (6710455).

33552245 is an equidigital number, since it uses as much as digits as its factorization.

33552245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710454.

The product of its digits is 18000, while the sum is 29.

The square root of 33552245 is about 5792.4299736812. The cubic root of 33552245 is about 322.5327811559.

Adding to 33552245 its reverse (54225533), we get a palindrome (87777778).

The spelling of 33552245 in words is "thirty-three million, five hundred fifty-two thousand, two hundred forty-five".