22662 has 12 divisors (see below), whose sum is σ = 49140. Its totient is φ = 7548.

The previous prime is 22651. The next prime is 22669. The reversal of 22662 is 26622.

Added to its reverse (26622) it gives a square (49284 = 222²).

22662 is a `hidden beast` number, since 2 + 2 + 662 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1259 = 22662 / (2 + 2 + 6 + 6 + 2).

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

It is a plaindrome in base 12 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22669) by changing a digit.

22662 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 5 ways as a sum of consecutive naturals, for example, 612 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (4095).

2²²⁶⁶² is an apocalyptic number.

22662 is an abundant number, since it is smaller than the sum of its proper divisors (26478).

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

22662 is a wasteful number, since it uses less digits than its factorization.

22662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1264 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 22662 is about 150.5390314835. The cubic root of 22662 is about 28.2986734968.

Adding to 22662 its reverse (26622), we get a square (49284 = 222²).

The spelling of 22662 in words is "twenty-two thousand, six hundred sixty-two".