9977224 has 16 divisors (see below), whose sum is σ = 18755100. Its totient is φ = 4975872.

The previous prime is 9977213. The next prime is 9977237. The reversal of 9977224 is 4227799.

It can be written as a sum of positive squares in 2 ways, for example, as 7672900 + 2304324 = 2770^2 + 1518^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292 + ... + 5020.

Almost surely, 2^9977224 is an apocalyptic number.

It is an amenable number.

9977224 is a deficient number, since it is larger than the sum of its proper divisors (8777876).

9977224 is a wasteful number, since it uses less digits than its factorization.

9977224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3188 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 9977224 is about 3158.6744055062. The cubic root of 9977224 is about 215.2797799858.

It can be divided in two parts, 9977 and 224, that added together give a palindrome (10201).

The spelling of 9977224 in words is "nine million, nine hundred seventy-seven thousand, two hundred twenty-four".