227070491 has 2 divisors, whose sum is σ = 227070492. Its totient is φ = 227070490.

The previous prime is 227070457. The next prime is 227070509. The reversal of 227070491 is 194070722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227070491 - 2¹⁸ = 226808347 is a prime.

It is a super-2 number, since 2×227070491² = 103122015765962162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (227070791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113535245 + 113535246.

It is an arithmetic number, because the mean of its divisors is an integer number (113535246).

Almost surely, 2^227070491 is an apocalyptic number.

227070491 is a deficient number, since it is larger than the sum of its proper divisors (1).

227070491 is an equidigital number, since it uses as much as digits as its factorization.

227070491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 227070491 is about 15068.8583177360. The cubic root of 227070491 is about 610.0801569842.

The spelling of 227070491 in words is "two hundred twenty-seven million, seventy thousand, four hundred ninety-one".