9622921 has 16 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 7336080.

The previous prime is 9622913. The next prime is 9622931. The reversal of 9622921 is 1292269.

It is a cyclic number.

It is not a de Polignac number, because 9622921 - 2³ = 9622913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9622931) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2290 + ... + 4948.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^9622921 is an apocalyptic number.

It is an amenable number.

9622921 is a deficient number, since it is larger than the sum of its proper divisors (2634359).

9622921 is a wasteful number, since it uses less digits than its factorization.

9622921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its digits is 3888, while the sum is 31.

The square root of 9622921 is about 3102.0833322140. The cubic root of 9622921 is about 212.7007265978.

It can be divided in two parts, 962 and 2921, that added together give a palindrome (3883).

The spelling of 9622921 in words is "nine million, six hundred twenty-two thousand, nine hundred twenty-one".