447225314257 has 4 divisors (see below), whose sum is σ = 447226733376. Its totient is φ = 447223895140.

The previous prime is 447225314203. The next prime is 447225314267. The reversal of 447225314257 is 752413522744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 447225314257 - 2¹⁹ = 447224789969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447225314267) 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, 973 + ... + 945754.

It is an arithmetic number, because the mean of its divisors is an integer number (111806683344).

Almost surely, 2^447225314257 is an apocalyptic number.

It is an amenable number.

447225314257 is a deficient number, since it is larger than the sum of its proper divisors (1419119).

447225314257 is an equidigital number, since it uses as much as digits as its factorization.

447225314257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419118.

The product of its digits is 1881600, while the sum is 46.

It can be divided in two parts, 4472253 and 14257, that added together give a triangular number (4486510 = T₂₉₉₅).

The spelling of 447225314257 in words is "four hundred forty-seven billion, two hundred twenty-five million, three hundred fourteen thousand, two hundred fifty-seven".