224456022521491 has 2 divisors, whose sum is σ = 224456022521492. Its totient is φ = 224456022521490.

The previous prime is 224456022521473. The next prime is 224456022521569. The reversal of 224456022521491 is 194125220654422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224456022521491 - 2⁷ = 224456022521363 is a prime.

It is not a weakly prime, because it can be changed into another prime (224456022527491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112228011260745 + 112228011260746.

It is an arithmetic number, because the mean of its divisors is an integer number (112228011260746).

Almost surely, 2^{224456022521491} is an apocalyptic number.

224456022521491 is a deficient number, since it is larger than the sum of its proper divisors (1).

224456022521491 is an equidigital number, since it uses as much as digits as its factorization.

224456022521491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 224456022521491 in words is "two hundred twenty-four trillion, four hundred fifty-six billion, twenty-two million, five hundred twenty-one thousand, four hundred ninety-one".