224354240646469 has 2 divisors, whose sum is σ = 224354240646470. Its totient is φ = 224354240646468.

The previous prime is 224354240646467. The next prime is 224354240646583. The reversal of 224354240646469 is 964646042453422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203944961664900 + 20409278981569 = 14280930^2 + 4517663^2 .

It is a cyclic number.

It is not a de Polignac number, because 224354240646469 - 2¹ = 224354240646467 is a prime.

It is a super-2 number, since 2×224354240646469² (a number of 30 digits) contains 22 as substring.

Together with 224354240646467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224354240646467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112177120323234 + 112177120323235.

It is an arithmetic number, because the mean of its divisors is an integer number (112177120323235).

Almost surely, 2^{224354240646469} is an apocalyptic number.

It is an amenable number.

224354240646469 is a deficient number, since it is larger than the sum of its proper divisors (1).

224354240646469 is an equidigital number, since it uses as much as digits as its factorization.

224354240646469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238878720, while the sum is 61.

The spelling of 224354240646469 in words is "two hundred twenty-four trillion, three hundred fifty-four billion, two hundred forty million, six hundred forty-six thousand, four hundred sixty-nine".