225342851 has 2 divisors, whose sum is σ = 225342852. Its totient is φ = 225342850.

The previous prime is 225342829. The next prime is 225342857. The reversal of 225342851 is 158243522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225342851 - 2¹⁴ = 225326467 is a prime.

It is not a weakly prime, because it can be changed into another prime (225342857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112671425 + 112671426.

It is an arithmetic number, because the mean of its divisors is an integer number (112671426).

Almost surely, 2^225342851 is an apocalyptic number.

225342851 is a deficient number, since it is larger than the sum of its proper divisors (1).

225342851 is an equidigital number, since it uses as much as digits as its factorization.

225342851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

The square root of 225342851 is about 15011.4240163950. The cubic root of 225342851 is about 608.5289744843.

The spelling of 225342851 in words is "two hundred twenty-five million, three hundred forty-two thousand, eight hundred fifty-one".