266622 has 16 divisors (see below), whose sum is σ = 548112. Its totient is φ = 86400.

The previous prime is 266603. The next prime is 266633. The reversal of 266622 is 226662.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 266592 and 266601.

It is a congruent number.

It is an unprimeable number.

266622 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 822.

It is an arithmetic number, because the mean of its divisors is an integer number (34257).

2²⁶⁶⁶²² is an apocalyptic number.

266622 is an abundant number, since it is smaller than the sum of its proper divisors (281490).

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

266622 is a wasteful number, since it uses less digits than its factorization.

266622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its digits is 1728, while the sum is 24.

The square root of 266622 is about 516.3545293691. The cubic root of 266622 is about 64.3623650070.

It can be divided in two parts, 266 and 622, that added together give a palindrome (888).

The spelling of 266622 in words is "two hundred sixty-six thousand, six hundred twenty-two".