22198282 has 8 divisors (see below), whose sum is σ = 34445700. Its totient is φ = 10716384.

The previous prime is 22198279. The next prime is 22198283. The reversal of 22198282 is 28289122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22193521 + 4761 = 4711^2 + 69^2 .

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 (22198283) 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, 191307 + ... + 191422.

Almost surely, 2^22198282 is an apocalyptic number.

22198282 is a deficient number, since it is larger than the sum of its proper divisors (12247418).

22198282 is a wasteful number, since it uses less digits than its factorization.

22198282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382760.

The product of its digits is 9216, while the sum is 34.

The square root of 22198282 is about 4711.5052796320. The cubic root of 22198282 is about 281.0432256633.

It can be divided in two parts, 2219 and 8282, that added together give a palindrome (10501).

The spelling of 22198282 in words is "twenty-two million, one hundred ninety-eight thousand, two hundred eighty-two".