9977722 has 16 divisors (see below), whose sum is σ = 16123392. Its totient is φ = 4617360.

The previous prime is 9977683. The next prime is 9977741. The reversal of 9977722 is 2277799.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073 + ... + 4924.

It is an arithmetic number, because the mean of its divisors is an integer number (1007712).

Almost surely, 2^9977722 is an apocalyptic number.

9977722 is a deficient number, since it is larger than the sum of its proper divisors (6145670).

9977722 is a wasteful number, since it uses less digits than its factorization.

9977722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053.

The product of its digits is 111132, while the sum is 43.

The square root of 9977722 is about 3158.7532350597. The cubic root of 9977722 is about 215.2833617285.

It can be divided in two parts, 99777 and 22, that added together give a palindrome (99799).

The spelling of 9977722 in words is "nine million, nine hundred seventy-seven thousand, seven hundred twenty-two".