922249 has 4 divisors (see below), whose sum is σ = 930820. Its totient is φ = 913680.

The previous prime is 922247. The next prime is 922261. The reversal of 922249 is 942229.

It is a happy number.

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 710649 + 211600 = 843^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 922249 - 2¹ = 922247 is a prime.

It is a Duffinian number.

922249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (922247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4122 + ... + 4339.

It is an arithmetic number, because the mean of its divisors is an integer number (232705).

2⁹²²²⁴⁹ is an apocalyptic number.

It is an amenable number.

922249 is a deficient number, since it is larger than the sum of its proper divisors (8571).

922249 is a wasteful number, since it uses less digits than its factorization.

922249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8570.

The product of its digits is 2592, while the sum is 28.

The square root of 922249 is about 960.3379613449. The cubic root of 922249 is about 97.3380700245.

The spelling of 922249 in words is "nine hundred twenty-two thousand, two hundred forty-nine".