922121 has 4 divisors (see below), whose sum is σ = 935952. Its totient is φ = 908292.

The previous prime is 922099. The next prime is 922123. The reversal of 922121 is 121229.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 922121 - 2⁶ = 922057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 922121.

It is not an unprimeable number, because it can be changed into a prime (922123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6815 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (233988).

2⁹²²¹²¹ is an apocalyptic number.

It is an amenable number.

922121 is a deficient number, since it is larger than the sum of its proper divisors (13831).

922121 is a wasteful number, since it uses less digits than its factorization.

922121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830.

The product of its digits is 72, while the sum is 17.

The square root of 922121 is about 960.2713158269. The cubic root of 922121 is about 97.3335665952. Note that the first 3 decimals are identical.

The spelling of 922121 in words is "nine hundred twenty-two thousand, one hundred twenty-one".