222940 has 24 divisors (see below), whose sum is σ = 477792. Its totient is φ = 87360.

The previous prime is 222931. The next prime is 222941. The reversal of 222940 is 49222.

It is a happy number.

222940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342 + ... + 1498.

It is an arithmetic number, because the mean of its divisors is an integer number (19908).

2²²²⁹⁴⁰ is an apocalyptic number.

222940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222940 is an abundant number, since it is smaller than the sum of its proper divisors (254852).

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

222940 is a wasteful number, since it uses less digits than its factorization.

222940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 235 counting only the distinct ones).

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

The square root of 222940 is about 472.1652253184. The cubic root of 222940 is about 60.6358307783.

The spelling of 222940 in words is "two hundred twenty-two thousand, nine hundred forty".