9772257 has 8 divisors (see below), whose sum is σ = 14214240. Its totient is φ = 5922560.

The previous prime is 9772247. The next prime is 9772271. The reversal of 9772257 is 7522779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9772257 - 2⁴ = 9772241 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 7 + 7 + 2² + 2² + 5¹⁰ + 7² .

It is not an unprimeable number, because it can be changed into a prime (9772247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148032 + ... + 148097.

It is an arithmetic number, because the mean of its divisors is an integer number (1776780).

Almost surely, 2^9772257 is an apocalyptic number.

It is an amenable number.

9772257 is a deficient number, since it is larger than the sum of its proper divisors (4441983).

9772257 is a wasteful number, since it uses less digits than its factorization.

9772257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296143.

The product of its digits is 61740, while the sum is 39.

The square root of 9772257 is about 3126.0609399050. The cubic root of 9772257 is about 213.7953687768.

It can be divided in two parts, 97722 and 57, that added together give a palindrome (97779).

The spelling of 9772257 in words is "nine million, seven hundred seventy-two thousand, two hundred fifty-seven".