922889 has 8 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 822640.

The previous prime is 922861. The next prime is 922897. The reversal of 922889 is 988229.

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

It is a cyclic number.

It is not a de Polignac number, because 922889 - 2¹² = 918793 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (922289) 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, 209 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (128304).

2⁹²²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

922889 is a deficient number, since it is larger than the sum of its proper divisors (103543).

922889 is a wasteful number, since it uses less digits than its factorization.

922889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its digits is 20736, while the sum is 38.

The square root of 922889 is about 960.6711195826. The cubic root of 922889 is about 97.3605809227.

The spelling of 922889 in words is "nine hundred twenty-two thousand, eight hundred eighty-nine".