224131487 has 2 divisors, whose sum is σ = 224131488. Its totient is φ = 224131486.

The previous prime is 224131463. The next prime is 224131547. The reversal of 224131487 is 784131422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224131487 - 2¹⁶ = 224065951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224131447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112065743 + 112065744.

It is an arithmetic number, because the mean of its divisors is an integer number (112065744).

Almost surely, 2^224131487 is an apocalyptic number.

224131487 is a deficient number, since it is larger than the sum of its proper divisors (1).

224131487 is an equidigital number, since it uses as much as digits as its factorization.

224131487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 224131487 is about 14971.0215750295. The cubic root of 224131487 is about 607.4366020763.

The spelling of 224131487 in words is "two hundred twenty-four million, one hundred thirty-one thousand, four hundred eighty-seven".