225433387 has 2 divisors, whose sum is σ = 225433388. Its totient is φ = 225433386.

The previous prime is 225433381. The next prime is 225433421. The reversal of 225433387 is 783334522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225433387 - 2¹⁵ = 225400619 is a prime.

It is not a weakly prime, because it can be changed into another prime (225433381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112716693 + 112716694.

It is an arithmetic number, because the mean of its divisors is an integer number (112716694).

Almost surely, 2^225433387 is an apocalyptic number.

225433387 is a deficient number, since it is larger than the sum of its proper divisors (1).

225433387 is an equidigital number, since it uses as much as digits as its factorization.

225433387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 225433387 is about 15014.4392835697. The cubic root of 225433387 is about 608.6104598036.

The spelling of 225433387 in words is "two hundred twenty-five million, four hundred thirty-three thousand, three hundred eighty-seven".