22398298 has 16 divisors (see below), whose sum is σ = 36680616. Its totient is φ = 10195200.

The previous prime is 22398293. The next prime is 22398307. The reversal of 22398298 is 89289322.

It can be written as a sum of positive squares in 4 ways, for example, as 16507969 + 5890329 = 4063^2 + 2427^2 .

It is not an unprimeable number, because it can be changed into a prime (22398293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4003 + ... + 7798.

Almost surely, 2^22398298 is an apocalyptic number.

22398298 is a deficient number, since it is larger than the sum of its proper divisors (14282318).

22398298 is a wasteful number, since it uses less digits than its factorization.

22398298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889.

The product of its digits is 124416, while the sum is 43.

The square root of 22398298 is about 4732.6840164963. The cubic root of 22398298 is about 281.8848095170.

The spelling of 22398298 in words is "twenty-two million, three hundred ninety-eight thousand, two hundred ninety-eight".