22271326 has 64 divisors (see below), whose sum is σ = 45287424. Its totient is φ = 7948800.

The previous prime is 22271311. The next prime is 22271339. The reversal of 22271326 is 62317222.

It is a self number, because there is not a number n which added to its sum of digits gives 22271326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122956 + ... + 123136.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 2^22271326 is an apocalyptic number.

22271326 is an abundant number, since it is smaller than the sum of its proper divisors (23016098).

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

22271326 is a wasteful number, since it uses less digits than its factorization.

22271326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its digits is 2016, while the sum is 25.

The square root of 22271326 is about 4719.2505760979. The cubic root of 22271326 is about 281.3511480799.

Adding to 22271326 its reverse (62317222), we get a palindrome (84588548).

It can be divided in two parts, 2227 and 1326, that added together give a palindrome (3553).

The spelling of 22271326 in words is "twenty-two million, two hundred seventy-one thousand, three hundred twenty-six".