227490947 has 2 divisors, whose sum is σ = 227490948. Its totient is φ = 227490946.

The previous prime is 227490943. The next prime is 227491037. The reversal of 227490947 is 749094722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227490947 - 2² = 227490943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227490898 and 227490907.

It is not a weakly prime, because it can be changed into another prime (227490943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113745473 + 113745474.

It is an arithmetic number, because the mean of its divisors is an integer number (113745474).

Almost surely, 2^227490947 is an apocalyptic number.

227490947 is a deficient number, since it is larger than the sum of its proper divisors (1).

227490947 is an equidigital number, since it uses as much as digits as its factorization.

227490947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 227490947 is about 15082.8030219850. The cubic root of 227490947 is about 610.4564772776.

The spelling of 227490947 in words is "two hundred twenty-seven million, four hundred ninety thousand, nine hundred forty-seven".