922220 has 24 divisors (see below), whose sum is σ = 2086224. Its totient is φ = 340416.

The previous prime is 922217. The next prime is 922223. The reversal of 922220 is 22229.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (922217) and next prime (922223).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (922223) 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, 1514 + ... + 2033.

It is an arithmetic number, because the mean of its divisors is an integer number (86926).

2⁹²²²²⁰ is an apocalyptic number.

It is an amenable number.

922220 is an abundant number, since it is smaller than the sum of its proper divisors (1164004).

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

922220 is a wasteful number, since it uses less digits than its factorization.

922220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 922220 is about 960.3228623749. The cubic root of 922220 is about 97.3370497528.

Adding to 922220 its reverse (22229), we get a palindrome (944449).

The spelling of 922220 in words is "nine hundred twenty-two thousand, two hundred twenty".