22065268 has 12 divisors (see below), whose sum is σ = 38997252. Its totient is φ = 10923200.

The previous prime is 22065223. The next prime is 22065293. The reversal of 22065268 is 86256022.

It can be written as a sum of positive squares in 2 ways, for example, as 18215824 + 3849444 = 4268^2 + 1962^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26905 + ... + 27712.

It is an arithmetic number, because the mean of its divisors is an integer number (3249771).

Almost surely, 2^22065268 is an apocalyptic number.

It is an amenable number.

22065268 is a deficient number, since it is larger than the sum of its proper divisors (16931984).

22065268 is a wasteful number, since it uses less digits than its factorization.

22065268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54722 (or 54720 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 22065268 is about 4697.3681993218. The cubic root of 22065268 is about 280.4807557100.

The spelling of 22065268 in words is "twenty-two million, sixty-five thousand, two hundred sixty-eight".