2257328547 has 16 divisors (see below), whose sum is σ = 3349157280. Its totient is φ = 1502650656.

The previous prime is 2257328543. The next prime is 2257328551. The reversal of 2257328547 is 7458237522.

2257328547 is a `hidden beast` number, since 2 + 2 + 573 + 28 + 54 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (2257328543) and next prime (2257328551).

It is not a de Polignac number, because 2257328547 - 2² = 2257328543 is a prime.

It is a super-2 number, since 2×2257328547² = 10191064338202262418, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2257328543) 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 15 ways as a sum of consecutive naturals, for example, 43468 + ... + 80025.

It is an arithmetic number, because the mean of its divisors is an integer number (209322330).

Almost surely, 2^2257328547 is an apocalyptic number.

2257328547 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2257328547 is a deficient number, since it is larger than the sum of its proper divisors (1091828733).

2257328547 is a wasteful number, since it uses less digits than its factorization.

2257328547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124179 (or 124173 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 2257328547 is about 47511.3517698665. The cubic root of 2257328547 is about 1311.7918387140.

The spelling of 2257328547 in words is "two billion, two hundred fifty-seven million, three hundred twenty-eight thousand, five hundred forty-seven".