18226296 has 80 divisors (see below), whose sum is σ = 55713240. Its totient is φ = 5520960.

The previous prime is 18226279. The next prime is 18226309. The reversal of 18226296 is 69262281.

It is a happy number.

18226296 is a `hidden beast` number, since 1 + 8 + 22 + 629 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 18226296.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 5850 + ... + 8406.

Almost surely, 2^18226296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18226296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27856620).

18226296 is an abundant number, since it is smaller than the sum of its proper divisors (37486944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18226296 is a wasteful number, since it uses less digits than its factorization.

18226296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2573 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 18226296 is about 4269.2266278566. The cubic root of 18226296 is about 263.1678341958.

It can be divided in two parts, 1822 and 6296, that added together give a palindrome (8118).

The spelling of 18226296 in words is "eighteen million, two hundred twenty-six thousand, two hundred ninety-six".