9221961 has 8 divisors (see below), whose sum is σ = 14052544. Its totient is φ = 5269680.

The previous prime is 9221959. The next prime is 9221983. The reversal of 9221961 is 1691229.

It is a happy number.

9221961 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9221961 - 2¹ = 9221959 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9221921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219550 + ... + 219591.

It is an arithmetic number, because the mean of its divisors is an integer number (1756568).

Almost surely, 2^9221961 is an apocalyptic number.

It is an amenable number.

9221961 is a deficient number, since it is larger than the sum of its proper divisors (4830583).

9221961 is a wasteful number, since it uses less digits than its factorization.

9221961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439151.

The product of its digits is 1944, while the sum is 30.

The square root of 9221961 is about 3036.7681834477. The cubic root of 9221961 is about 209.7045050334.

The spelling of 9221961 in words is "nine million, two hundred twenty-one thousand, nine hundred sixty-one".