225823751 has 2 divisors, whose sum is σ = 225823752. Its totient is φ = 225823750.

The previous prime is 225823727. The next prime is 225823811. The reversal of 225823751 is 157328522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225823751 - 2⁶ = 225823687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225823711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112911875 + 112911876.

It is an arithmetic number, because the mean of its divisors is an integer number (112911876).

Almost surely, 2^225823751 is an apocalyptic number.

225823751 is a deficient number, since it is larger than the sum of its proper divisors (1).

225823751 is an equidigital number, since it uses as much as digits as its factorization.

225823751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 225823751 is about 15027.4332805040. The cubic root of 225823751 is about 608.9615503797.

The spelling of 225823751 in words is "two hundred twenty-five million, eight hundred twenty-three thousand, seven hundred fifty-one".