257227116 has 12 divisors (see below), whose sum is σ = 600196632. Its totient is φ = 85742368.

The previous prime is 257227109. The next prime is 257227121. The reversal of 257227116 is 611722752.

257227116 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

257227116 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10717785 + ... + 10717808.

It is an arithmetic number, because the mean of its divisors is an integer number (50016386).

Almost surely, 2^257227116 is an apocalyptic number.

It is an amenable number.

257227116 is an abundant number, since it is smaller than the sum of its proper divisors (342969516).

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

257227116 is a wasteful number, since it uses less digits than its factorization.

257227116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435600 (or 21435598 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 257227116 is about 16038.3015310225. The cubic root of 257227116 is about 635.9733484342.

Adding to 257227116 its reverse (611722752), we get a palindrome (868949868).

The spelling of 257227116 in words is "two hundred fifty-seven million, two hundred twenty-seven thousand, one hundred sixteen".