224457305072647 has 4 divisors (see below), whose sum is σ = 224485975064520. Its totient is φ = 224428635080776.

The previous prime is 224457305072639. The next prime is 224457305072669. The reversal of 224457305072647 is 746270503754422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224457305072647 - 2³ = 224457305072639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224457305072591 and 224457305072600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224457305072447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14334984193 + ... + 14334999850.

It is an arithmetic number, because the mean of its divisors is an integer number (56121493766130).

Almost surely, 2^{224457305072647} is an apocalyptic number.

224457305072647 is a deficient number, since it is larger than the sum of its proper divisors (28669991873).

224457305072647 is an equidigital number, since it uses as much as digits as its factorization.

224457305072647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28669991872.

The product of its (nonzero) digits is 79027200, while the sum is 58.

The spelling of 224457305072647 in words is "two hundred twenty-four trillion, four hundred fifty-seven billion, three hundred five million, seventy-two thousand, six hundred forty-seven".