222626 has 8 divisors (see below), whose sum is σ = 336540. Its totient is φ = 110448.

The previous prime is 222619. The next prime is 222643. The reversal of 222626 is 626222.

222626 is digitally balanced in base 2 and base 3, because in such bases 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 201601 + 21025 = 449^2 + 145^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 222598 and 222607.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 222626.

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, 41 + ... + 668.

2²²²⁶²⁶ is an apocalyptic number.

222626 is a deficient number, since it is larger than the sum of its proper divisors (113914).

222626 is a wasteful number, since it uses less digits than its factorization.

222626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its digits is 576, while the sum is 20.

The square root of 222626 is about 471.8325974326. The cubic root of 222626 is about 60.6073498766.

Adding to 222626 its reverse (626222), we get a palindrome (848848).

It can be divided in two parts, 222 and 626, that added together give a palindrome (848).

The spelling of 222626 in words is "two hundred twenty-two thousand, six hundred twenty-six".