22067216 has 10 divisors (see below), whose sum is σ = 42755262. Its totient is φ = 11033600.

The previous prime is 22067203. The next prime is 22067219. The reversal of 22067216 is 61276022.

It can be written as a sum of positive squares in only one way, i.e., 16777216 + 5290000 = 4096^2 + 2300^2 .

It is not an unprimeable number, because it can be changed into a prime (22067219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689585 + ... + 689616.

Almost surely, 2^22067216 is an apocalyptic number.

It is an amenable number.

22067216 is a deficient number, since it is larger than the sum of its proper divisors (20688046).

22067216 is a wasteful number, since it uses less digits than its factorization.

22067216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379209 (or 1379203 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22067216 is about 4697.5755448955. The cubic root of 22067216 is about 280.4890094120.

The spelling of 22067216 in words is "twenty-two million, sixty-seven thousand, two hundred sixteen".