229497487 has 2 divisors, whose sum is σ = 229497488. Its totient is φ = 229497486.

The previous prime is 229497481. The next prime is 229497497. The reversal of 229497487 is 784794922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229497487 - 2¹¹ = 229495439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229497481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114748743 + 114748744.

It is an arithmetic number, because the mean of its divisors is an integer number (114748744).

Almost surely, 2^229497487 is an apocalyptic number.

229497487 is a deficient number, since it is larger than the sum of its proper divisors (1).

229497487 is an equidigital number, since it uses as much as digits as its factorization.

229497487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 229497487 is about 15149.1744659569. The cubic root of 229497487 is about 612.2460305955.

The spelling of 229497487 in words is "two hundred twenty-nine million, four hundred ninety-seven thousand, four hundred eighty-seven".