227997533 has 2 divisors, whose sum is σ = 227997534. Its totient is φ = 227997532.

The previous prime is 227997493. The next prime is 227997569. The reversal of 227997533 is 335799722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192737689 + 35259844 = 13883^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 227997533 - 2²⁰ = 226948957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227997733) 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, 113998766 + 113998767.

It is an arithmetic number, because the mean of its divisors is an integer number (113998767).

Almost surely, 2^227997533 is an apocalyptic number.

It is an amenable number.

227997533 is a deficient number, since it is larger than the sum of its proper divisors (1).

227997533 is an equidigital number, since it uses as much as digits as its factorization.

227997533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 47.

The square root of 227997533 is about 15099.5871797874. The cubic root of 227997533 is about 610.9092710312.

The spelling of 227997533 in words is "two hundred twenty-seven million, nine hundred ninety-seven thousand, five hundred thirty-three".