922724 has 24 divisors (see below), whose sum is σ = 1793568. Its totient is φ = 411840.

The previous prime is 922717. The next prime is 922729. The reversal of 922724 is 427229.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 922693 and 922702.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 922724.

It is not an unprimeable number, because it can be changed into a prime (922729) by changing a digit.

922724 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (74732).

2⁹²²⁷²⁴ is an apocalyptic number.

It is an amenable number.

922724 is a deficient number, since it is larger than the sum of its proper divisors (870844).

922724 is a wasteful number, since it uses less digits than its factorization.

922724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 393 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 922724 is about 960.5852382792. The cubic root of 922724 is about 97.3547783277.

The spelling of 922724 in words is "nine hundred twenty-two thousand, seven hundred twenty-four".