922420 has 24 divisors (see below), whose sum is σ = 2051784. Its totient is φ = 347136.

The previous prime is 922391. The next prime is 922423. The reversal of 922420 is 24229.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 478864 + 443556 = 692^2 + 666^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922423) 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, 1017 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (85491).

2⁹²²⁴²⁰ is an apocalyptic number.

It is an amenable number.

922420 is an abundant number, since it is smaller than the sum of its proper divisors (1129364).

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

922420 is a wasteful number, since it uses less digits than its factorization.

922420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 922420 is about 960.4269883755. The cubic root of 922420 is about 97.3440856744.

Adding to 922420 its reverse (24229), we get a palindrome (946649).

The spelling of 922420 in words is "nine hundred twenty-two thousand, four hundred twenty".