922540 has 24 divisors (see below), whose sum is σ = 1955520. Its totient is φ = 365568.

The previous prime is 922531. The next prime is 922549. The reversal of 922540 is 45229.

It is a happy number.

922540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (922531) and next prime (922549).

It is not an unprimeable number, because it can be changed into a prime (922549) 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, 3741 + ... + 3979.

It is an arithmetic number, because the mean of its divisors is an integer number (81480).

2⁹²²⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

922540 is an abundant number, since it is smaller than the sum of its proper divisors (1032980).

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

922540 is a wasteful number, since it uses less digits than its factorization.

922540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 922540 is about 960.4894585575. The cubic root of 922540 is about 97.3483067392.

Adding to 922540 its reverse (45229), we get a palindrome (967769).

The spelling of 922540 in words is "nine hundred twenty-two thousand, five hundred forty".