2257543356 has 48 divisors (see below), whose sum is σ = 5583352320. Its totient is φ = 707500800.

The previous prime is 2257543333. The next prime is 2257543369. The reversal of 2257543356 is 6533457522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206631 + ... + 217281.

It is an arithmetic number, because the mean of its divisors is an integer number (116319840).

Almost surely, 2^2257543356 is an apocalyptic number.

It is an amenable number.

2257543356 is an abundant number, since it is smaller than the sum of its proper divisors (3325808964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2257543356 is a wasteful number, since it uses less digits than its factorization.

2257543356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714 (or 11712 counting only the distinct ones).

The product of its digits is 756000, while the sum is 42.

The square root of 2257543356 is about 47513.6123232069. The cubic root of 2257543356 is about 1311.8334477442.

The spelling of 2257543356 in words is "two billion, two hundred fifty-seven million, five hundred forty-three thousand, three hundred fifty-six".