225218093 has 8 divisors (see below), whose sum is σ = 237843648. Its totient is φ = 212828704.

The previous prime is 225218087. The next prime is 225218101. The reversal of 225218093 is 390812522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 225218093 - 2¹⁴ = 225201709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225218053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57080 + ... + 60897.

It is an arithmetic number, because the mean of its divisors is an integer number (29730456).

Almost surely, 2^225218093 is an apocalyptic number.

225218093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

225218093 is a deficient number, since it is larger than the sum of its proper divisors (12625555).

225218093 is a wasteful number, since it uses less digits than its factorization.

225218093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118083.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 225218093 is about 15007.2680058697. The cubic root of 225218093 is about 608.4166524939.

The spelling of 225218093 in words is "two hundred twenty-five million, two hundred eighteen thousand, ninety-three".