227390663 has 2 divisors, whose sum is σ = 227390664. Its totient is φ = 227390662.

The previous prime is 227390629. The next prime is 227390671. The reversal of 227390663 is 366093722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227390663 - 2¹² = 227386567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227320663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113695331 + 113695332.

It is an arithmetic number, because the mean of its divisors is an integer number (113695332).

Almost surely, 2^227390663 is an apocalyptic number.

227390663 is a deficient number, since it is larger than the sum of its proper divisors (1).

227390663 is an equidigital number, since it uses as much as digits as its factorization.

227390663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 227390663 is about 15079.4782071529. The cubic root of 227390663 is about 610.3667623300.

The spelling of 227390663 in words is "two hundred twenty-seven million, three hundred ninety thousand, six hundred sixty-three".