922624 has 44 divisors (see below), whose sum is σ = 1989684. Its totient is φ = 425984.

The previous prime is 922619. The next prime is 922627. The reversal of 922624 is 426229.

922624 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 230400 = 832^2 + 480^2 .

Its product of digits (1728) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17382 + ... + 17434.

2⁹²²⁶²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 922624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994842).

922624 is an abundant number, since it is smaller than the sum of its proper divisors (1067060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

922624 is a wasteful number, since it uses less digits than its factorization.

922624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 72 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 922624 is about 960.5331852674. The cubic root of 922624 is about 97.3512612668.

The spelling of 922624 in words is "nine hundred twenty-two thousand, six hundred twenty-four".