22271226 has 16 divisors (see below), whose sum is σ = 44644224. Its totient is φ = 7406784.

The previous prime is 22271219. The next prime is 22271231. The reversal of 22271226 is 62217222.

It is a junction number, because it is equal to n+sod(n) for n = 22271196 and 22271205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (2790264).

Almost surely, 2^22271226 is an apocalyptic number.

22271226 is an abundant number, since it is smaller than the sum of its proper divisors (22372998).

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

22271226 is a wasteful number, since it uses less digits than its factorization.

22271226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485.

The product of its digits is 1344, while the sum is 24.

The square root of 22271226 is about 4719.2399811834. The cubic root of 22271226 is about 281.3507269830.

Adding to 22271226 its reverse (62217222), we get a palindrome (84488448).

The spelling of 22271226 in words is "twenty-two million, two hundred seventy-one thousand, two hundred twenty-six".