9722889 has 32 divisors (see below), whose sum is σ = 16550400.
Its totient is φ = 5579280.
The previous prime is 9722887. The next prime is 9722893. The reversal of 9722889 is 9882279.
It is not a de Polignac number, because 9722889 - 21 = 9722887 is a prime.
It is not an unprimeable number, because it can be changed into a prime (9722887) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4782 + ... + 6504.
It is an arithmetic number, because the mean of its divisors is an integer number (517200).
Almost surely, 29722889 is an apocalyptic number.
9722889 is a gapful number since it is divisible by the number (99) formed by its first and last digit.
It is an amenable number.
9722889 is a deficient number, since it is larger than the sum of its proper divisors (6827511).
9722889 is a wasteful number, since it uses less digits than its factorization.
9722889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1762 (or 1756 counting only the distinct ones).
The product of its digits is 145152, while the sum is 45.
The square root of 9722889 is about 3118.1547427926.
The cubic root of 9722889 is about 213.4347399296.
The spelling of 9722889 in words is "nine million, seven hundred twenty-two thousand, eight hundred eighty-nine".