9976225 has 24 divisors (see below), whose sum is σ = 14294720. Its totient is φ = 6765120.

The previous prime is 9976223. The next prime is 9976247. The reversal of 9976225 is 5226799.

It is a happy number.

It is not a de Polignac number, because 9976225 - 2¹ = 9976223 is a prime.

It is a super-3 number, since 3×9976225³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9976223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18814 + ... + 19336.

Almost surely, 2^9976225 is an apocalyptic number.

It is an amenable number.

9976225 is a deficient number, since it is larger than the sum of its proper divisors (4318495).

9976225 is a wasteful number, since it uses less digits than its factorization.

9976225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 644 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 9976225 is about 3158.5162655905. The cubic root of 9976225 is about 215.2725945644.

It can be divided in two parts, 9976 and 225, that added together give a palindrome (10201).

The spelling of 9976225 in words is "nine million, nine hundred seventy-six thousand, two hundred twenty-five".