225107533 has 4 divisors (see below), whose sum is σ = 257265760. Its totient is φ = 192949308.

The previous prime is 225107521. The next prime is 225107549. The reversal of 225107533 is 335701522.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225107533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225107503) 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, 16079103 + ... + 16079116.

It is an arithmetic number, because the mean of its divisors is an integer number (64316440).

Almost surely, 2^225107533 is an apocalyptic number.

It is an amenable number.

225107533 is a deficient number, since it is larger than the sum of its proper divisors (32158227).

225107533 is an equidigital number, since it uses as much as digits as its factorization.

225107533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32158226.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 225107533 is about 15003.5840051636. The cubic root of 225107533 is about 608.3170785590.

The spelling of 225107533 in words is "two hundred twenty-five million, one hundred seven thousand, five hundred thirty-three".