22226 has 4 divisors (see below), whose sum is σ = 33342. Its totient is φ = 11112.

The previous prime is 22193. The next prime is 22229. The reversal of 22226 is 62222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22201 + 25 = 149^2 + 5^2 .

It is a Curzon number.

It is a plaindrome in base 10 and base 15.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 22226.

It is not an unprimeable number, because it can be changed into a prime (22229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555 + ... + 5558.

2²²²²⁶ is an apocalyptic number.

22226 is a deficient number, since it is larger than the sum of its proper divisors (11116).

22226 is a wasteful number, since it uses less digits than its factorization.

22226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115.

The product of its digits is 96, while the sum is 14.

The square root of 22226 is about 149.0838690134. The cubic root of 22226 is about 28.1160152370.

Adding to 22226 its product of digits (96), we get a palindrome (22322).

Adding to 22226 its reverse (62222), we get a palindrome (84448).

The spelling of 22226 in words is "twenty-two thousand, two hundred twenty-six".