22291336 has 8 divisors (see below), whose sum is σ = 41796270. Its totient is φ = 11145664.

The previous prime is 22291333. The next prime is 22291361. The reversal of 22291336 is 63319222.

It can be written as a sum of positive squares in only one way, i.e., 21068100 + 1223236 = 4590^2 + 1106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22291333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1393201 + ... + 1393216.

Almost surely, 2^22291336 is an apocalyptic number.

It is an amenable number.

22291336 is a deficient number, since it is larger than the sum of its proper divisors (19504934).

22291336 is a wasteful number, since it uses less digits than its factorization.

22291336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786423 (or 2786419 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 22291336 is about 4721.3701401182. The cubic root of 22291336 is about 281.4353842145.

The spelling of 22291336 in words is "twenty-two million, two hundred ninety-one thousand, three hundred thirty-six".