22116226 has 32 divisors (see below), whose sum is σ = 37594368. Its totient is φ = 9671040.

The previous prime is 22116217. The next prime is 22116229. The reversal of 22116226 is 62261122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22116197 and 22116206.

It is not an unprimeable number, because it can be changed into a prime (22116229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75336 + ... + 75628.

It is an arithmetic number, because the mean of its divisors is an integer number (1174824).

Almost surely, 2^22116226 is an apocalyptic number.

22116226 is a deficient number, since it is larger than the sum of its proper divisors (15478142).

22116226 is a wasteful number, since it uses less digits than its factorization.

22116226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its digits is 576, while the sum is 22.

The square root of 22116226 is about 4702.7891723955. The cubic root of 22116226 is about 280.6965057868.

Adding to 22116226 its reverse (62261122), we get a palindrome (84377348).

Subtracting 22116226 from its reverse (62261122), we obtain a square (40144896 = 6336²).

The spelling of 22116226 in words is "twenty-two million, one hundred sixteen thousand, two hundred twenty-six".