22240282 has 8 divisors (see below), whose sum is σ = 33385716. Its totient is φ = 11111712.

The previous prime is 22240277. The next prime is 22240289. The reversal of 22240282 is 28204222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16475481 + 5764801 = 4059^2 + 2401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22240289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123 + ... + 6670.

Almost surely, 2^22240282 is an apocalyptic number.

22240282 is a deficient number, since it is larger than the sum of its proper divisors (11145434).

22240282 is a wasteful number, since it uses less digits than its factorization.

22240282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 22240282 is about 4715.9603475856. The cubic root of 22240282 is about 281.2203621773.

It can be divided in two parts, 22240 and 282, that added together give a palindrome (22522).

The spelling of 22240282 in words is "twenty-two million, two hundred forty thousand, two hundred eighty-two".