922609 has 4 divisors (see below), whose sum is σ = 928116. Its totient is φ = 917104.

The previous prime is 922601. The next prime is 922613. The reversal of 922609 is 906229.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 893025 + 29584 = 945^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 922609 - 2³ = 922601 is a prime.

It is a Duffinian number.

922609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (922601) 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 3 ways as a sum of consecutive naturals, for example, 2494 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (232029).

2⁹²²⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

922609 is a deficient number, since it is larger than the sum of its proper divisors (5507).

922609 is a wasteful number, since it uses less digits than its factorization.

922609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 922609 is about 960.5253770724. The cubic root of 922609 is about 97.3507336857.

It can be divided in two parts, 92 and 2609, that added together give a triangular number (2701 = T₇₃).

The spelling of 922609 in words is "nine hundred twenty-two thousand, six hundred nine".