9977226 has 64 divisors (see below), whose sum is σ = 24084480. Its totient is φ = 2695680.

The previous prime is 9977213. The next prime is 9977237. The reversal of 9977226 is 6227799.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 9 + 9 + 7⁵ + 7⁸ + 2²¹ + 2²¹ + 6⁴ .

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 102810 + ... + 102906.

It is an arithmetic number, because the mean of its divisors is an integer number (376320).

Almost surely, 2^9977226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9977226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12042240).

9977226 is an abundant number, since it is smaller than the sum of its proper divisors (14107254).

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

9977226 is a wasteful number, since it uses less digits than its factorization.

9977226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

The product of its digits is 95256, while the sum is 42.

The square root of 9977226 is about 3158.6747220947. The cubic root of 9977226 is about 215.2797943706.

The spelling of 9977226 in words is "nine million, nine hundred seventy-seven thousand, two hundred twenty-six".