2225853618 has 8 divisors (see below), whose sum is σ = 4451707248. Its totient is φ = 741951204.

The previous prime is 2225853611. The next prime is 2225853631. The reversal of 2225853618 is 8163585222.

It is a happy number.

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

2225853618 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2225853618.

It is not an unprimeable number, because it can be changed into a prime (2225853611) 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, 185487796 + ... + 185487807.

It is an arithmetic number, because the mean of its divisors is an integer number (556463406).

Almost surely, 2^2225853618 is an apocalyptic number.

2225853618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2225853618 is a wasteful number, since it uses less digits than its factorization.

2225853618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370975608.

The product of its digits is 230400, while the sum is 42.

The square root of 2225853618 is about 47178.9531253079. The cubic root of 2225853618 is about 1305.6663152407. Note that the first 3 decimals are identical.

The spelling of 2225853618 in words is "two billion, two hundred twenty-five million, eight hundred fifty-three thousand, six hundred eighteen".