22241618 has 8 divisors (see below), whose sum is σ = 38128512. Its totient is φ = 9532116.

The previous prime is 22241603. The next prime is 22241623. The reversal of 22241618 is 81614222.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 794330 + ... + 794357.

It is an arithmetic number, because the mean of its divisors is an integer number (4766064).

Almost surely, 2^22241618 is an apocalyptic number.

22241618 is a deficient number, since it is larger than the sum of its proper divisors (15886894).

22241618 is a wasteful number, since it uses less digits than its factorization.

22241618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588696.

The product of its digits is 1536, while the sum is 26.

The square root of 22241618 is about 4716.1019921117. The cubic root of 22241618 is about 281.2259931443.

The spelling of 22241618 in words is "twenty-two million, two hundred forty-one thousand, six hundred eighteen".