5647722257 has 4 divisors (see below), whose sum is σ = 5700504816. Its totient is φ = 5594939700.

The previous prime is 5647722251. The next prime is 5647722281. The reversal of 5647722257 is 7522277465.

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 an emirpimes, since its reverse is a distinct semiprime: 7522277465 = 5 ⋅1504455493.

It is a cyclic number.

It is not a de Polignac number, because 5647722257 - 2⁸ = 5647722001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5647722251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26391119 + ... + 26391332.

It is an arithmetic number, because the mean of its divisors is an integer number (1425126204).

Almost surely, 2^5647722257 is an apocalyptic number.

It is an amenable number.

5647722257 is a deficient number, since it is larger than the sum of its proper divisors (52782559).

5647722257 is a wasteful number, since it uses less digits than its factorization.

5647722257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52782558.

The product of its digits is 1646400, while the sum is 47.

The square root of 5647722257 is about 75151.3290434707. The cubic root of 5647722257 is about 1780.8381207494.

The spelling of 5647722257 in words is "five billion, six hundred forty-seven million, seven hundred twenty-two thousand, two hundred fifty-seven".