225242033 has 4 divisors (see below), whose sum is σ = 228414528. Its totient is φ = 222069540.

The previous prime is 225242029. The next prime is 225242053. The reversal of 225242033 is 330242522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330242522 = 2 ⋅165121261.

It is not a de Polignac number, because 225242033 - 2² = 225242029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225242053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586141 + ... + 1586282.

It is an arithmetic number, because the mean of its divisors is an integer number (57103632).

Almost surely, 2^225242033 is an apocalyptic number.

It is an amenable number.

225242033 is a deficient number, since it is larger than the sum of its proper divisors (3172495).

225242033 is an equidigital number, since it uses as much as digits as its factorization.

225242033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172494.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 225242033 is about 15008.0655982042. The cubic root of 225242033 is about 608.4382093449.

Adding to 225242033 its reverse (330242522), we get a palindrome (555484555).

The spelling of 225242033 in words is "two hundred twenty-five million, two hundred forty-two thousand, thirty-three".