22323418 has 16 divisors (see below), whose sum is σ = 36396360. Its totient is φ = 10207296.

The previous prime is 22323403. The next prime is 22323421. The reversal of 22323418 is 81432322.

It can be written as a sum of positive squares in 4 ways, for example, as 13520329 + 8803089 = 3677^2 + 2967^2 .

It is a super-3 number, since 3×22323418³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22323392 and 22323401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105 + ... + 6772.

Almost surely, 2^22323418 is an apocalyptic number.

22323418 is a deficient number, since it is larger than the sum of its proper divisors (14072942).

22323418 is a wasteful number, since it uses less digits than its factorization.

22323418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001.

The product of its digits is 2304, while the sum is 25.

The square root of 22323418 is about 4724.7664492544. The cubic root of 22323418 is about 281.5703347307.

The spelling of 22323418 in words is "twenty-two million, three hundred twenty-three thousand, four hundred eighteen".