222920 has 16 divisors (see below), whose sum is σ = 501660. Its totient is φ = 89152.

The previous prime is 222919. The next prime is 222931. The reversal of 222920 is 29222.

It is a happy number.

222920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 195364 + 27556 = 442^2 + 166^2 .

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2747 + ... + 2826.

2²²²⁹²⁰ is an apocalyptic number.

222920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222920 is an abundant number, since it is smaller than the sum of its proper divisors (278740).

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

222920 is a wasteful number, since it uses less digits than its factorization.

222920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584 (or 5580 counting only the distinct ones).

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

The square root of 222920 is about 472.1440458165. The cubic root of 222920 is about 60.6340175059.

It can be divided in two parts, 2 and 22920, that added together give a palindrome (22922).

The spelling of 222920 in words is "two hundred twenty-two thousand, nine hundred twenty".