9772722 has 48 divisors (see below), whose sum is σ = 22702680. Its totient is φ = 3027456.

The previous prime is 9772717. The next prime is 9772727. The reversal of 9772722 is 2272779.

9772722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9772717) and next prime (9772727).

It can be written as a sum of positive squares in 4 ways, for example, as 9603801 + 168921 = 3099^2 + 411^2 .

It is a super-3 number, since 3×9772722³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9772727) 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, 33208 + ... + 33500.

Almost surely, 2^9772722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9772722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11351340).

9772722 is an abundant number, since it is smaller than the sum of its proper divisors (12929958).

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

9772722 is a wasteful number, since it uses less digits than its factorization.

9772722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 424 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 9772722 is about 3126.1353137700. The cubic root of 9772722 is about 213.7987597801.

The spelling of 9772722 in words is "nine million, seven hundred seventy-two thousand, seven hundred twenty-two".