227475431 has 2 divisors, whose sum is σ = 227475432. Its totient is φ = 227475430.

The previous prime is 227475407. The next prime is 227475433. The reversal of 227475431 is 134574722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227475431 - 2¹⁴ = 227459047 is a prime.

It is a super-2 number, since 2×227475431² = 103490143417271522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 227475433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 227475391 and 227475400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227475433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113737715 + 113737716.

It is an arithmetic number, because the mean of its divisors is an integer number (113737716).

Almost surely, 2^227475431 is an apocalyptic number.

227475431 is a deficient number, since it is larger than the sum of its proper divisors (1).

227475431 is an equidigital number, since it uses as much as digits as its factorization.

227475431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 227475431 is about 15082.2886525885. The cubic root of 227475431 is about 610.4425982520.

The spelling of 227475431 in words is "two hundred twenty-seven million, four hundred seventy-five thousand, four hundred thirty-one".