654222 has 8 divisors (see below), whose sum is σ = 1308456. Its totient is φ = 218072.

The previous prime is 654221. The next prime is 654223. The reversal of 654222 is 222456.

It is an interprime number because it is at equal distance from previous prime (654221) and next prime (654223).

It is a sphenic number, since it is the product of 3 distinct primes.

654222 is an admirable number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54513 + ... + 54524.

It is an arithmetic number, because the mean of its divisors is an integer number (163557).

2⁶⁵⁴²²² is an apocalyptic number.

654222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

654222 is a wasteful number, since it uses less digits than its factorization.

654222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109042.

The product of its digits is 960, while the sum is 21.

The square root of 654222 is about 808.8399099946. The cubic root of 654222 is about 86.8110577912.

Adding to 654222 its reverse (222456), we get a palindrome (876678).

The spelling of 654222 in words is "six hundred fifty-four thousand, two hundred twenty-two".